of0
 
CDE Detailed Report
This report contains detailed information about the selected CDEs.
Note: If at least one CDE was selected from a copyright- or trademark-protected instrument/scale then all of the CDEs from that instrument/scale are included in this report.
Disease: Huntington's Disease
Sub-Domain: Epidemiology/Environmental History
CRF: Food Frequency Questionnaire (FFQ)
Item count: 239 (239 distinct CDEs)
CDE ID
CDE Name
Variable Name
Definition / Description
Question Text
Permissible Value
Description
Data Type
Instructions
References
Population
Classification (e.g., Core)
Version #
Version Date
Aliases for Variable Name
CRF Module / Guideline
© or TM
Sub-Domain
Domain
Previous Title
Size
Input Restrictions
Min Value
Max Value
Measurement Type
LOINC ID
SNOMED
caDSR ID
CDISC ID
C09648
Food Frequency Questionnaire - (FFQ)-current multi-vitamins indicator
FFQCurrMultvitInd
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)
Yes;No;
Yes;No;
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q1
 
Single Pre-Defined Value Selected
       
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)
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q1a
 
Single Pre-Defined Value Selected
       
C09650
Food Frequency Questionnaire - (FFQ)-multi-vitamins year number
FFQYrsMultivYearNum
Number of years subject has been taking multi-vitamins, as part of Food Frequency Questionnaire -(FFQ)
For how many years have you been taking them?
1 year or less;2-4 years;5-9 years;10 or more years;
1 year or less;2-4 years;5-9 years;10 or more years;
Alphanumeric
A total score of less than 36 suggests that you may not be suffering from fatigue.
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q1b
 
Single Pre-Defined Value Selected
       
C09651
Food Frequency Questionnaire - (FFQ)-specific brand type
FFQSpecBrnTyp
Specific brand of multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ)
What specific brand (or equivalency) do you usually take?
Centrum Silver;Centrum;Theragran M;One-A-Day Essential;Other, specify;
Centrum Silver;Centrum;Theragran M;One-A-Day Essential;Other, specify;
Alphanumeric
A total score of 36 or more suggests that you may need further evaluation by a physician.
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q1c
 
Single Pre-Defined Value Selected
       
C18680
Food Frequency Questionnaire - (FFQ)-specific brand other text
FFQSpecBrnOTH
The free-text field related to 'Food Frequency Questionnaire - (FFQ)-specific brand type' specifying other text. Specific brand of multi-vitamins taken, as part of Food Frequency Questionnaire -(FFQ)
Other, specify
  
Alphanumeric
A total score of 36 or more suggests that you may need further evaluation by a physician.
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
Supplemental
1.0
5/27/2014
FFQ Q1c
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
 
4000
Free-Form Entry
       
C09652
Food Frequency Questionnaire - (FFQ)-other multi-vitamin name
FFQOthMultvitName
Name of the other specific brands taken, as part of Food Frequency Questionnaire -(FFQ)
   
Alphanumeric
Your next steps
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q1c other, specify
255
Free-Form Entry
       
C09653
Food Frequency Questionnaire - (FFQ)-vitamin A indicator
FFQVitAInd
Vitamin A indicator, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take Vitamin A?
No;Yes, seasonal only;Yes, currently take it most months;
No;Yes, seasonal only;Yes, currently take it most months;
Alphanumeric
This scale should not be used to make your own diagnosis.
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-1
 
Single Pre-Defined Value Selected
       
C09654
Food Frequency Questionnaire - (FFQ)-vitamin A daily dose
FFWVitADlyDose
Dose per day of Vitamin A, as part of Food Frequency Questionnaire -(FFQ)
Dose per day?
Less than 10,000 IU;10,000 to 15,000 IU;16,000 to 22,000 IU;23,000 IU or more;Don't know;
Less than 10,000 IU;10,000 to 15,000 IU;16,000 to 22,000 IU;23,000 IU or more;Don't know;
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-1a
 
Single Pre-Defined Value Selected
       
C09655
Food Frequency Questionnaire - (FFQ)-vitamin A duration
FFQVitADur
Duration of vitamin A 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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-1b
 
Single Pre-Defined Value Selected
       
C09656
Food Frequency Questionnaire - (FFQ)-beta carotene indicator
FFQBetCarInd
Indicator of whether or not the subject takes beta carotene, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take beta carotene?
No;Yes, seasonal only;Yes, currently take it most months;
No;Yes, seasonal only;Yes, currently take it most months;
Alphanumeric
Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-3
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-2
 
Single Pre-Defined Value Selected
       
C09657
Food Frequency Questionnaire - (FFQ)-beta carotene daily dose
FFQBetCarDlyDose
Dose per day of beta carotene, as part of Food Frequency Questionnaire -(FFQ)
Dose per day?
Less than 10,000 IU;10,000 to 15,000 IU;16,000 to 22,000 IU;23,000 IU or more;Don't know;
Less than 10,000 IU;10,000 to 15,000 IU;16,000 to 22,000 IU;23,000 IU or more;Don't know;
Alphanumeric
Only answered if "Yes, seasonal" and "Yes, currently take it most months" is answered for "Beta Carotene"
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-2a
 
Single Pre-Defined Value Selected
       
C09658
Food Frequency Questionnaire - (FFQ)-beta carotene duration
FFQBetCarDuration
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-2b
 
Single Pre-Defined Value Selected
       
C09659
Food Frequency Questionnaire - (FFQ)-vitamin B6 indicator
FFQVitB6Ind
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-3
 
Single Pre-Defined Value Selected
       
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?
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-3a
 
Single Pre-Defined Value Selected
       
C09661
Food Frequency Questionnaire - (FFQ)-vitamin B6 duration
FFQVitB6Dur
Duration of vitamin B6 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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-3b
 
Single Pre-Defined Value Selected
       
C09662
Food Frequency Questionnaire - (FFQ)-vitamin C indicator
FFQVitCInd
Vitamin C indicator, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take Vitamin C?
No;Yes, seasonal only;Yes, currently take it most months;
No;Yes, seasonal only;Yes, currently take it most months;
Alphanumeric
Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-5
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-4
 
Single Pre-Defined Value Selected
       
C09663
Food Frequency Questionnaire - (FFQ)-vitamin C daily dose
FFQVitCIDlyDose
Dose per day of Vitamin C, as part of Food Frequency Questionnaire -(FFQ)
Dose per day?
Less than 400 mg;400 to 700 mg;750 to 1,250 mg;1,300 mg or more;Don't know;
Less than 400 mg;400 to 700 mg;750 to 1,250 mg;1,300 mg or more;Don't know;
Alphanumeric
Only answered if "Yes, seasonal" and "Yes, currently take it most months" is answered for "Vitamin C"
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-4a
 
Single Pre-Defined Value Selected
       
C09664
Food Frequency Questionnaire - (FFQ)-vitamin C duration
FFQVitCDur
Duration of vitamin C 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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-4b
 
Single Pre-Defined Value Selected
       
C09665
Food Frequency Questionnaire - (FFQ)-vitamin D indicator
FFQVitDInd
Vitamin D indicator, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take Vitamin D?
No;Yes, seasonal only;Yes, currently take it most months;
No;Yes, seasonal only;Yes, currently take it most months;
Alphanumeric
Vitamin D can be taken as part of a calcium supplement or separately. Do not report content of multi-vitamins mentioned in Q1. If no, skip to FFQ Q2-6
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-5
 
Single Pre-Defined Value Selected
       
C09666
Food Frequency Questionnaire - (FFQ)-vitamin D daily dose
FFQVitDDlyDose
Dose per day of Vitamin D, as part of Food Frequency Questionnaire -(FFQ)
Dose per day?
Less than 300 IU;300 to 500 IU;600 to 900 IU;1,000 IU or more;Don’t know;
Less than 300 IU;300 to 500 IU;600 to 900 IU;1,000 IU or more;Don’t know;
Alphanumeric
Only answered if "Yes, seasonal" and "Yes, currently take it most months" is answered for "Vitamin D"
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-5a
 
Single Pre-Defined Value Selected
       
C09667
Food Frequency Questionnaire - (FFQ)-vitamin D duration
FFQVitDDur
How long have you taken Vitamin D, 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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-5b
 
Single Pre-Defined Value Selected
       
C09668
Food Frequency Questionnaire - (FFQ)-vitamin E indicator
FFQVitEInd
Vitamin E indicator, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take Vitamin E?
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 Q2-7
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-6
 
Single Pre-Defined Value Selected
       
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?
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-6a
 
Single Pre-Defined Value Selected
       
C09670
Food Frequency Questionnaire - (FFQ)-vitamin E duration
FFQVitEDur
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-6b
 
Single Pre-Defined Value Selected
       
C09671
Food Frequency Questionnaire - (FFQ)-vitamin E type
FFQVitETyp
Vitamin E type, as part of Food Frequency Questionnaire -(FFQ)
Type
Natural;Regular (dl);Unknown;
Natural;Regular (dl);Unknown;
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-6c
 
Single Pre-Defined Value Selected
       
C09672
Food Frequency Questionnaire - (FFQ)-selenium indicator
FFQSelnInd
Selenium indicator, as part of Food Frequency Questionnaire -(FFQ)
Not counting multi-vitamins, do you currently take Selenium?
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 Q2-8
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
Supplemental
3.0
7/22/2013
Aliases for variable name not defined
Food Frequency Questionnaire (FFQ)
Epidemiology/Environmental History
Participant History and Family History
FFQ Q2-7
 
Single Pre-Defined Value Selected
       
09-25-2017
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