F2715-C11643
C11643
Checklist Individual Strength (CIS20R) - concentration effort scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: It takes a lot of effort to concentrate on things. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11644
C11644
Checklist Individual Strength (CIS20R) - bad form feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: Physically I fell I am in bad form. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2799-C10855
C10855
Grip strength maximum measurement
Measurement of the maximum grip strength attained in the trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11912
C11912
Modified Fatigue Impact Scale (MFIS) - clumsy uncoordinated score
Scale for having been clumsy and uncoordinated as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11652
C11652
Checklist Individual Strength (CIS20R) - concentration total score
Sum of items 3, 8, 11, 13, 19 (range 5-35). Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08533
C08533
36-item Short Form Health Survey (SF-36) - Sick easier score
Score of how true or false surveyee perceived the statement: I seem to get sick a little easier than other people, as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11920
C11920
Modified Fatigue Impact Scale (MFIS) - less motivate activity require think score
Scale for having been less motivated to do anything that requires thinking as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11928
C11928
Modified Fatigue Impact Scale (MFIS) - limit physical activity score
Scale for having limited physical activities as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09646
C09646
Fatigue Severity Scale (FSS) - top 3 disable symptom scale
Scale used to describe the extent to which fatigue is among the patient's three most disabling symptoms, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C17826
C17826
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - limited ability away home scale
Scale for having been limited in the ability to do things away from home as part of Modified Fatigue Impact Scale 5-Item Version (MFIS-5) form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11636
C11636
Checklist Individual Strength (CIS20R) - fit feeling scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I feel fit. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08517
C08517
36-item Short Form Health Survey (SF-36) - Cut time on work activities emotional problems indicator
Indicator for surveyee-reported cut down time on work or other activities as a result of emotional problems during the past 4 weeks as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11645
C11645
Checklist Individual Strength (CIS20R) - plan level scale
Scale assessing the extent to which the following statement has been true for the participant during the last two weeks: I have a lot of plans. Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2799-C10856
C10856
Grip strength unit of measure
Unit of measure (pounds, kilograms, or newtons) for the maximum grip strength attained or for the target in the trial being recorded
Exploratory
Grip Strength Fatigue
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08526
C08526
36-item Short Form Health Survey (SF-36) - Times calm peaceful score
Score of times feeling calm and peaceful during the past 4 weeks as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11913
C11913
Modified Fatigue Impact Scale (MFIS) - forgetful score
Scale for having been forgetful as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2715-C11653
C11653
Checklist Individual Strength (CIS20R) - motivation total score
Sum of items 2, 5, 15, 18 (range 4-28). Part of the Checklist Individual Strength (CIS20R) questionnaire
Supplemental
Checklist for Individual Strength - Fatigue (CIS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08534
C08534
36-item Short Form Health Survey (SF-36) - Healthy as anybody score
Score of how true or false surveyee perceived the statement: I am as healthy as anybody I know, as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11921
C11921
Modified Fatigue Impact Scale (MFIS) - muscle weak score
Scale for feeling weak in muscles as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09639
C09639
Fatigue Severity Scale (FSS) - low motivation scale
Scale used to describe the extent to which the patient's motivation was lower in the past week, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C11929
C11929
Modified Fatigue Impact Scale (MFIS) - rest more often longer score
Scale for having needed to rest more often or for longer periods as part of Modified Fatigue Impact Scale form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2714-C09647
C09647
Fatigue Severity Scale (FSS) - interfere work family social scale
Scale used to describe the extent to which fatigue interferes with the patient's work, family, or social life, as part of the Fatigue Severity Scale (FSS)
Supplemental-Highly Recommended
Fatigue Severity Scale (FSS)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F1026-C17827
C17827
Modified Fatigue Impact Scale-5-Item Version (MFIS-5) - trouble concentrating scale
Scale for having had trouble concentrating as part of Modified Fatigue Impact Scale 5-Item Version (MFIS-5) form
Exploratory
Modified Fatigue Impact Scale (MFIS)
False
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2170-C08510
C08510
36-item Short Form Health Survey (SF-36) - Health limited walking several blocks score
Score of surveyee-reported limited walking several blocks due to physical health as part of version 1.0 of 36-item Short Form Health Survey (SF-36)
Supplemental-Highly Recommended
Short Form 36-Item Health Survey (SF-36)
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
F2721-C00015
C00015
Education year count
Number of years of education completed (age 5 and beyond)
Exploratory
Woodcock-Johnson III Test of Cognitive Abilities
True
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome
Myalgic Encephalomyelitis/Chronic Fatigue Syndrome