Skip to main content

Table 4 Pearson's correlation matrix of CDC Symptom Inventory scores and MFI, Chalder Fatigue Scale, and SF-36 subscales (N = 164)

From: Psychometric properties of the CDC Symptom Inventory for assessment of Chronic Fatigue Syndrome

 

Total score

Short-form

Case definition score

Questionnaires

r

P

r

P

r

P

MFI

      

   General fatigue

.64

< .001

.67

< .001

.63

< .001

   Physical fatigue

.60

< .001

.62

< .001

.62

< .001

   Reduced activity

.60

< .001

.62

< .001

.57

< .001

   Reduced motivation

.53

< .001

.53

< .001

.50

< .001

   Mental fatigue

.54

< .001

.56

< .001

.54

< .001

Chalder Fatigue Scale

.74

< .001

.76

< .001

.75

< .001

SF-36

      

   Physical functioning

-.58

< .001

-.56

< .001

-.60

< .001

   Role-physical

-.64

< .001

-.56

< .001

-.62

< .001

   Bodily pain

-.67

< .001

-.56

< .001

-.68

< .001

   General health

-.59

< .001

-.59

< .001

-.60

< .001

   Vitality

-.68

< .001

-.69

< .001

-.67

< .001

   Social functioning

-.66

< .001

-.62

< .001

-.63

< .001

   Role-emotional

-.39

< .001

-.40

< .001

-.37

< .001

   Mental health

-.46

< .001

-.48

< .001

-. 41

< .001

CDC Symptom Inventory Scores

      

   Total

  

.94

< .001

.97

< .001

Short-form

.94

< .001

  

.95

< .001

Back to article page

Population Health Metrics

ISSN: 1478-7954