CDE Detailed Report
Disease: system
Subdomain Name: Epidemiology/Environmental History
CRF: content
Displaying 151 - 200 of 239
Subdomain Name: Epidemiology/Environmental History
CRF: content
Displaying 151 - 200 of 239
| CDE ID | CDE Name | Variable Name | Definition | Short Description | Question Text | Permissible Values | Description | Data Type | Disease Specific Instructions | Disease Specific Reference | Population | Classification (e.g., Core) | Version Number | Version Date | CRF Name (CRF Module / Guidance) | Subdomain Name | Domain Name | Size | Input Restrictions | Min Value | Max Value | Measurement Type | External Id Loinc | External Id Snomed | External Id caDSR | External Id CDISC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C09722 | Food Frequency Questionnaire - (FFQ)-oranges indicator | FFQOrngInd | Average total amount of oranges the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of oranges the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Oranges (1) | Never;Less than once per month;1-3x/mo;1 per week;2-4 per week;5-6 per week;One per day;2-3 per day;4 or more per day | Never;Less than once per month;1-3x/mo (1-3 times per month);1 per week;2-4 per week;5-6 per week;One per day;2-3 per day;4 or more per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. 'Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09861 | Food Frequency Questionnaire - (FFQ)-fat frying spray indicator | FFQFatFryngSpryInd | Type of fat the subject usually uses at home for frying and sautÉing this past year, as part of Food Frequency Questionnaire -(FFQ) | Type of fat the subject usually uses at home for frying and sautÉing this past year, as part of Food Frequency Questionnaire -(FFQ) | What kind of fat is usually used for frying and sauteing at home? (Exclude Pam type spray) | Real butter;Margarine;Olive oil;Vegetable oil;Vegetable shortening;Lard/bacon fat | Real butter;Margarine;Olive oil;Vegetable oil;Vegetable shortening;Lard/bacon fat | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09658 | Food Frequency Questionnaire - (FFQ)-beta carotene duration | FFQBetCarDuration | Beta carotene indicator, as part of Food Frequency Questionnaire -(FFQ) | Beta carotene indicator, as part of Food Frequency Questionnaire -(FFQ) | How long have you taken beta carotene? | 0-1 year;2-4 years;5-9 years;10 years or more | 0-1 year;2-4 years;5-9 years;10 years or more | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09754 | Food Frequency Questionnaire - (FFQ)-Iceberg head lettuce indicator | FFQIcebrgHedLettInd | Average total amount of iceberg or head lettuce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of iceberg or head lettuce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Iceberg or head lettuce (serving) | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09765 | Food Frequency Questionnaire - (FFQ)-other chicken turkey skin indicator | FFQOthChicknTurkSkinInd | Average total amount of other chicken or turkey, with skin the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of other chicken or turkey, with skin the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Other chicken or turkey, with skin (3 oz.) | Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo | Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo (1-3 times per month) | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09701 | Food Frequency Questionnaire - (FFQ)-low carb artificially sweetened plain yogurt indicator | FFQLoCrbArtSwePlanYoInd | Average total amount of yogurt (low carb, artificially sweetened or plain) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of yogurt (low carb, artificially sweetened or plain) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Yogurt, low carb, artificially sweetened or plain (1 cup) | Never;Less than once per month;1-3 cups per month;Once per week;2-4 cups per week;5-6 cups per week;Once per day;2 or more servings per day | Never;Less than once per month;1-3 cups per month;Once per week;2-4 cups per week;5-6 cups per week;Once per day;2 or more servings per day | Alphanumeric |
For each food listed, indicate your average total use of the amount specified during the past year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09797 | Food Frequency Questionnaire - (FFQ)-pancakes waffles indicator | FFQPanckWaffInd | Average total amount of pancakes or waffles the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of pancakes or waffles the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Pancakes or waffles (2 small pieces) | Never;Less than once per month;1-3 times per week;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day | Never;Less than once per month;1-3 times per week;1 serving per week;2-4 servings per week;5-6 servings per week;1 serving per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09840 | Food Frequency Questionnaire - (FFQ)-peanuts indicator | FFQPeantInd | Average total amount of peanuts the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of peanuts the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Peanuts (small packet or 1 oz.) | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more servings per day | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09733 | Food Frequency Questionnaire - (FFQ)-tomato V8 juice indicator | FFQTomV8JucInd | Average total amount of tomato or V8 juice the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of tomato or V8 juice the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Tomato or V8 juice (small glass) | Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09872 | Food Frequency Questionnaire - (FFQ)-kind diet indicator | FFQKndDietInd | Kind of diet the subject follows, as part of Food Frequency Questionnaire -(FFQ) | Kind of diet the subject follows, as part of Food Frequency Questionnaire -(FFQ) | If yes, what kind of diet do you follow | Weight reduction (low calorie);Low cholesterol;Low sodium;Diabetic;Low fat;Low triglyceride;Ulcer;High potassium;Other | Weight reduction (low calorie);Low cholesterol;Low sodium;Diabetic;Low fat;Low triglyceride;Ulcer;High potassium;Other | Alphanumeric |
Select more than one if necessary |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Multiple Pre-Defined Values Selected |
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| C09669 | Food Frequency Questionnaire - (FFQ)-vitamin E daily dose | FFQVitEDlyDose | Dose per day of Vitamin E, as part of Food Frequency Questionnaire -(FFQ) | Dose per day of Vitamin E, as part of Food Frequency Questionnaire -(FFQ) | Dose per day? | Less than 100 IU;100 to 250 IU;300 to 500 IU;600 IU or more;Don't know | Less than 100 IU;100 to 250 IU;300 to 500 IU;600 IU or more;Don't know | Alphanumeric |
Only answered if "Yes, currently take it" is answered for "Vitamin E" |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09680 | Food Frequency Questionnaire - (FFQ)-zinc duration | FFQZnDuration | Duration of Zinc intake, as part of Food Frequency Questionnaire -(FFQ) | Duration of Zinc intake, as part of Food Frequency Questionnaire -(FFQ) | How long? | 0-1 year;2-4 years;5-9 years;10 years or more | 0-1 year;2-4 years;5-9 years;10 years or more | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09776 | Food Frequency Questionnaire - (FFQ)-liver beef calf pork indicator | FFQLivrBefClfPrkInd | Average total amount of liver: beef, calf or pork the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of liver: beef, calf or pork the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Liver: beef, calf or pork (4 oz.) | Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week | Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09819 | Food Frequency Questionnaire - (FFQ)-milk chocolate indicator | FFQMlkChocInd | Average total amount of milk chocolate (bar or packet) the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of milk chocolate (bar or packet) the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Milk chocolate (bar or packet) (e.g., Hershey's, M&Ms) | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2-3 per day;4 or more per day | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2-3 per day;4 or more per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09712 | Food Frequency Questionnaire - (FFQ)-specific brand margarine spreadable butter indicator | FFQSpecBrndMargSprdButInd | Specific brand and type of margarine or spreadable butter the subjects usually uses, as part of Food Frequency Questionnaire -(FFQ) | Specific brand and type of margarine or spreadable butter the subjects usually uses, as part of Food Frequency Questionnaire -(FFQ) | What specific brand and type of margarine or spreadable butter do you usually use ? | Alphanumeric |
Specify the brand name and type of margarine or spreadable butter used (e.g., Shedd's Spread Country Crock Light Tub) |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History | 255 |
Free-Form Entry |
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| C09808 | Food Frequency Questionnaire - (FFQ)-regular beer indicator | FFQRegBeerInd | Average total amount of regular beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of regular beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Beer, regular (1 glass, bottle, can) | Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day | Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. 'Consider the serving size as one 12 oz. glass, bottle or can for these carbonated beverages. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09851 | Food Frequency Questionnaire - (FFQ)-salt added table indicator | FFQSaltAddTablInd | Average total amount of salt added at the table the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of salt added at the table the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Salt added at table (1 shake) | Never;Less than once per month;1-3 shakes per month;1 shake per week;2-4 shakes per week;5-6 shakes per week;1 shake per day;2-3 shakes per day;4-5 shakes per day;6+ shakes per day | Never;Less than once per month;1-3 shakes per month;1 shake per week;2-4 shakes per week;5-6 shakes per week;1 shake per day;2-3 shakes per day;4-5 shakes per day;6+ shakes per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09648 | Food Frequency Questionnaire - (FFQ)-current multi-vitamins indicator | FFQCurrMultvitInd | Subjects current multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ) | Subjects current multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ) | Do you currently take multi-vitamins?(Please report other individual vitamins in question 2) | No;Yes | No;Yes | Alphanumeric |
Now that you have completed the questionnaire, it is time to score your results and evaluate your level of fatigue. It's simple: Add all the numbers you circled to get your total score. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09744 | Food Frequency Questionnaire - (FFQ)-corn indicator | FFQCrnInd | Average total amount of corn the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of corn the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Corn (1 ear or 1/2 cup frozen or canned) | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09883 | Food Frequency Questionnaire - (FFQ)-whole grain use ten years indicator | FFQWhlGranUseTenYrInd | Indicator of how the subjects use of whole grains changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) | Indicator of how the subjects use of whole grains changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) | How has your use of whole grains changed over the past ten years? | Use has decreased;Use about the same;Use has increased | Use has decreased;Use about the same;Use has increased | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09691 | Food Frequency Questionnaire - (FFQ)-other supplements taken indicator | FFQOthSupTakInd | Name of the other supplements are you taking currently on a regular basis (at least once per week), as part of Food Frequency Questionnaire -(FFQ) | Name of the other supplements are you taking currently on a regular basis (at least once per week), as part of Food Frequency Questionnaire -(FFQ) | Other Supplements (specify) | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History | 255 |
Free-Form Entry |
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| C09787 | Food Frequency Questionnaire - (FFQ)-white bread indicator | FFQWhtBrdInd | Average total amount of white bread, including pita bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of white bread, including pita bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | White bread (slice), including pita bread | Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day | Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09830 | Food Frequency Questionnaire - (FFQ)-home baked cookies indicator | FFQHmBkdCksInd | Average total amount of home baked cookies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of home baked cookies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Cookies, home baked (1) | Never;Less than once per month;1 cookie per week;2-4 cookies per week;5-6 cookies per week;1 cookie per day;2-3 cookies per day;4 or more cookies per day;1-3 cookies per month | Never;Less than once per month;1 cookie per week;2-4 cookies per week;5-6 cookies per week;1 cookie per day;2-3 cookies per day;4 or more cookies per day;1-3 cookies per month | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09723 | Food Frequency Questionnaire - (FFQ)-orange juice calcium fortified indicator | FFQOrngJucCalcFortInd | Average total amount of orange juice the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of orange juice the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Orange juice - calcium fortified (small glass) | Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. 'Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09862 | Food Frequency Questionnaire - (FFQ)-baking sauteing fat indicator | FFQBakSatngFatInd | Kind of fat the subject usually uses for baking and sautÉing at home this past year, as part of Food Frequency Questionnaire -(FFQ) | Kind of fat the subject usually uses for baking and sautÉing at home this past year, as part of Food Frequency Questionnaire -(FFQ) | What kind of fat is usually used for baking and sauteing at home? (Exclude Pam type spray) | Real butter;Margarine;Olive oil;Vegetable oil;Vegetable shortening;Lard/bacon fat | Real butter;Margarine;Olive oil;Vegetable oil;Vegetable shortening;Lard/bacon fat | Alphanumeric |
Answer both types of fat used in cooking questions |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09659 | Food Frequency Questionnaire - (FFQ)-vitamin B6 indicator | FFQVitB6Ind | Vitamin B6 indicator, as part of Food Frequency Questionnaire -(FFQ) | Vitamin B6 indicator, as part of Food Frequency Questionnaire -(FFQ) | Not counting multi-vitamins, do you currently take Vitamin B6? | No;Yes, currently take it | No;Yes, currently take it | Alphanumeric |
Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-4 |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09755 | Food Frequency Questionnaire - (FFQ)-Romaine leaf lettuce indicator | FFQRomnLefLettInd | Average total amount of romaine or lead lettuce the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of romaine or lead lettuce the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Romaine or leaf lettuce (serving) | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09766 | Food Frequency Questionnaire - (FFQ)-other chicken turkey without skin indicator | FFQOthChicknTurkWthSkinInd | Average total amount of other chicken or turkey, including ground without skin the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of other chicken or turkey, including ground without skin the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Other chicken or turkey, including ground without skin, (3 oz.) | Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo | Never;Less than once per month;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day;1-3x/mo (1-3 times per month) | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09809 | Food Frequency Questionnaire - (FFQ)-light beer indicator | FFQLghtBeerInd | Average total amount of light beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of light beer the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Light beer, e.g., Bud Light (1 glass, bottle, can) | Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day | Never;Less than once per month;1-3 cans per month;1 can per week;2-4 cans per week;5-6 cans per week;1 can per day;2-3 cans per day;4-5 cans per day;6+ cans per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. 'Consider the serving size as one 12 oz. glass, bottle or can for these carbonated beverages. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09702 | Food Frequency Questionnaire - (FFQ)-yogurt type indicator | FFQYoTypInd | Type of yogurt the subject usually had this past year, as part of Food Frequency Questionnaire -(FFQ) | Type of yogurt the subject usually had this past year, as part of Food Frequency Questionnaire -(FFQ) | What type of yogurt do you usually eat? | None;Regular;Low fat;Nonfat | None;Regular;Low fat;Nonfat | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09798 | Food Frequency Questionnaire - (FFQ)-French fried potatoes indicator | FFQFrnchFridPotInd | Average total amount of french fried potatoes the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of French fried potatoes the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | French fried potatoes (6 oz. or 1 serving) | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;1 or more servings per day | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;1 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09841 | Food Frequency Questionnaire - (FFQ)-walnuts indicator | FFQWlntInd | Average total amount of walnuts the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of walnuts the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Walnuts (1 oz.) | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more servings per day | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09734 | Food Frequency Questionnaire - (FFQ)-tomato sauce indicator | FFQTomSacInd | Average total amount of tomato sauce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of tomato sauce the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Tomato sauce (1/2 cup) e.g., spaghetti sauce | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5 or more servings per week | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5 or more servings per week | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09873 | Food Frequency Questionnaire - (FFQ)-other kind diet indicator | FFQOthKndDietInd | Other kinds of diet the subject follows, as part of Food Frequency Questionnaire -(FFQ) | Other kinds of diet the subject follows, as part of Food Frequency Questionnaire -(FFQ) | If yes, what other kind of diet do you follow | Alphanumeric |
Specify type of diet. Exclude weight reduction diets |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History | 255 |
Free-Form Entry |
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| C09670 | Food Frequency Questionnaire - (FFQ)-vitamin E duration | FFQVitEDur | Duration of vitamin E intake, as part of Food Frequency Questionnaire -(FFQ) | Duration of vitamin E intake, as part of Food Frequency Questionnaire -(FFQ) | How long? | 0-1 year;2-4 years;5-9 years;10 years or more | 0-1 year;2-4 years;5-9 years;10 years or more | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09681 | Food Frequency Questionnaire - (FFQ)-calcium dolomite tums indicator | FFQCalcDolTumInd | Calcium or Dolomite (including Tums) indicator, as part of Food Frequency Questionnaire -(FFQ) | Calcium or Dolomite (including Tums) indicator, as part of Food Frequency Questionnaire -(FFQ) | Not counting multi-vitamins, do you currently take Calcium or Dolomite (including Tums)? | No;Yes, currently take it | No;Yes, currently take it | Alphanumeric |
Do not report content of multi-vitamins mentioned in Q1. Include elemental Calcium in Tums. If no, skip to FFQ Q2-11 |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09777 | Food Frequency Questionnaire - (FFQ)-liver chicken turkey indicator | FFQLivrChicknTurkInd | Average total amount of liver: chicken or turkey the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of liver:chicken or turkey the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Liver: chicken or turkey (1 oz.) | Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week | Never;Less than once per month;1 time per month;2-3 times per month;Once per week;2 or more servings per week | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09820 | Food Frequency Questionnaire - (FFQ)-dark chocolate indicator | FFQDrkChocInd | Average total amount of dark chocolate the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of dark chocolate the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Dark chocolate e.g., Hershey's, Dark or Dark Dove | Never;Less than once per month;1-3 candy bars per month;1 candy bar per week;2-4 candy bars per week;5-6 candy bars per week;1 candy bar per day;2-3 candy bars per day;4 or more candy bars per day | Never;Less than once per month;1-3 candy bars per month;1 candy bar per week;2-4 candy bars per week;5-6 candy bars per week;1 candy bar per day;2-3 candy bars per day;4 or more candy bars per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09713 | Food Frequency Questionnaire - (FFQ)-raisins grapes indicator | FFQRasnGrpInd | Average total amount of raisins the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of raisins the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Raisins (1 oz. or small pack) or grapes (1/2 cup) | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09852 | Food Frequency Questionnaire - (FFQ)-sugar teaspoons indicator | FFQSugTeaspnInd | Number of teaspoons of sugar the subject adds to his or her beverages and food each day, as part of Food Frequency Questionnaire -(FFQ) | Number of teaspoons of sugar the subject adds to his or her beverages and food each day, as part of Food Frequency Questionnaire -(FFQ) | How many teaspoons of sugar do you add to your beverages or food each day? | Numeric Values |
Answer recorded in number of teaspoons |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Free-Form Entry |
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| C09649 | Food Frequency Questionnaire - (FFQ)-multi-vitamins taken week value | FFQMultvitTakWeekVal | Amount of multivitamins subject takes per week, as part of Food Frequency Questionnaire -(FFQ) | Amount of multivitamins subject takes per week, as part of Food Frequency Questionnaire -(FFQ) | How many do you take per week? | 2 or less;3-5;6-9;10 or more | 2 or less;3-5;6-9;10 or more | Alphanumeric |
The Fatigue Severity Scale Key |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09745 | Food Frequency Questionnaire - (FFQ)-peas lima beans indicator | FFQPeasLimBenInd | Average total amount of peas or lima beans the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of peas or lima beans the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Peas or lima beans (1/2 cup fresh, frozen or canned) | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day | Never;Less than once per month;1-3 per month;1 per week;2-4 per week;5-6 per week;1 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09884 | Food Frequency Questionnaire - (FFQ)-sugar use ten years indicator | FFQSugUseTenYrInd | Indicator of how the subjects use of sugar changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) | Indicator of how the subjects use of sugar changed over the past ten years, as part of Food Frequency Questionnaire -(FFQ) | How has your use of sugar changed over the past ten years? | Use has decreased;Use about the same;Use has increased | Use has decreased;Use about the same;Use has increased | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09692 | Food Frequency Questionnaire - (FFQ)-skim milk amount taken value | FFQSkmMlkAmntTakVal | Average total amount of skim milk the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of skim milk the subject drank this past year, as part of Food Frequency Questionnaire -(FFQ) | Skim milk (8 oz glass) | Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2-3 glasses per day;4 or more glasses per day | Never;Less than once per month;1-3 glasses per month;1 glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2-3 glasses per day;4 or more glasses per day | Alphanumeric |
For each food listed, indicate your average total use of the amount specified during the past year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09788 | Food Frequency Questionnaire - (FFQ)-rye pumpernickel bread indicator | FFQRyePumprncklBrdInd | Average total amount of rye or pumpernickel bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of rye or pumpernickel bread the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Rye or pumpernickel bread (1 slice) | Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day | Never;Less than once per month;1-3 slicer per month;1 slice per week;2-4 slices per week;5-6 slices per week;1 slice per day;2-3 slices per day;4-5 slices per day;6+ slices per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09831 | Food Frequency Questionnaire - (FFQ)-brownies indicator | FFQBrwnsInd | Average total amount of brownies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of brownies the subject ate this past year, as part of Food Frequency Questionnaire -(FFQ) | Brownies (1) | Never;Less than once per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more per day;1-3 per month | Never;Less than once per month;1 per week;2-4 per week;5-6 per week;1 per day;2 or more per day;1-3 per month | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09724 | Food Frequency Questionnaire - (FFQ)-regular orange juice indicator | FFQRegOrngJucInd | Average total amount or orange juice regular (not calcium fortified) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount or orange juice regular (not calcium fortified) the subject had this past year, as part of Food Frequency Questionnaire -(FFQ) | Orange juice - regular (not calcium fortified) (small glass) | Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Never;Less than once per month;1-3 glasses per month;One glass per week;2-4 glasses per week;5-6 glasses per week;1 glass per day;2 or more glasses per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. Please try to average your seasonal use of foods over the entire year. For example, if a food such as cantaloupe is eaten 4 times a week during the 3 months that it is in season, then average total use would be once per week over the year |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09863 | Food Frequency Questionnaire - (FFQ)-fried stir-fried oil sauteed home indicator | FFQFridStirFridOilSateedHmInd | Frequency with which the subject ears food fried, stir-friend in oil, or sautÉed at home this past year, as part of Food Frequency Questionnaire -(FFQ) | Frequency with which the subject ears food fried, stir-friend in oil, or sautÉed at home this past year, as part of Food Frequency Questionnaire -(FFQ) | How often do you eat food fried, stir-fried in oil, or sauteed at home? | Never;Less than once a week;1-3 times per week;4-6 times per week;Daily | Never;Less than once a week;1-3 times per week;4-6 times per week;Daily | Alphanumeric |
No instructions available |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09660 | Food Frequency Questionnaire - (FFQ)-vitamin B6 dose | FFQVitB6DlyDose | Dose per day of Vitamin B6, as part of Food Frequency Questionnaire -(FFQ) | Dose per day of Vitamin B6, as part of Food Frequency Questionnaire -(FFQ) | Dose per day? | Less than 50 mg;50 to 99 mg;100 to 149 mg;150 mg or more;Don't know | Less than 50 mg;50 to 99 mg;100 to 149 mg;150 mg or more;Don't know | Alphanumeric |
Only answered if "Yes, currently take it" is answered for "Vitamin B6" |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
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| C09756 | Food Frequency Questionnaire - (FFQ)-celery indicator | FFQCelryInd | Average total amount of celery the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Average total amount of celery the subject had over this past year, as part of Food Frequency Questionnaire -(FFQ) | Celery (2-3 sticks) | Never;Less than once per month;1-3x/mo;Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Never;Less than once per month;1-3x/mo (1-3 times per month);Once per week;2-4 times per week;5-6 times per week;Once per day;2 or more servings per day | Alphanumeric |
Please fill in your average total use, during the past year, of each specified food. |
W.C. Willett, Nutritional Epidemiology, Oxford University Press Validation of a semi-quantitative food frequency questionnaire: comparison with a 1-year diet record.Willett WC, Reynolds RD, Cottrell-Hoehner S, Sampson L, Browne ML.J Am Diet Assoc. 1987 Jan;87(1):43-7. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. Food-based validation of a dietary questionnaire: the effects of week-to-week variation in food consumption. Salvini S, Hunter DJ, Sampson L, Stampfer MJ, Colditz GA, Rosner B, Willett WC. Int J Epidemiol. 1989 Dec;18(4):858-67. Validation of a dietary questionnaire with plasma carotenoid and alpha-tocopherol levels.Willett WC, Stampfer MJ, Underwood BA, Speizer FE, Rosner B, Hennekens CH.Am J Clin Nutr. 1983 Oct;38(4):631-9. | Adult | Exploratory | 3.00 | 2013-07-22 09:34:41.527 | Food Frequency Questionnaire (FFQ) | Epidemiology/Environmental History | Participant History and Family History |
Single Pre-Defined Value Selected |
