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Table 3 Demographic data and adherence to the CDC-criteria for CFS

From: Health related quality of life in adolescents with chronic fatigue syndrome: a cross-sectional study

 

CFS patients

Controls

N = 120

N = 39

Variable

n (%)

n (%)

Male

34 (28)

11 (28.2)

Female

86 (72)

28 (71.8)

CDC criteria

88 (74)

NA

Lives together with both parents

85 (73)

26 (70)

BMI (adjusted for age and gender)

  

Normal weight (BMI <25)

100 (83.3)

37 (94.9)

Moderate overweight (25 ≤ BMI < 30)

14 (11.7)

2 (5.1)

Severe overweight (BMI ≥30)

6 (5.0)

0 (0)

MFQ (depressive symptoms)a

47 (39)

3 (8)

Parents highest education

  

Primary school

5 (4.3)

0 (0)

Secondary school

30 (26)

8 (23)

Lower university

34 (29)

9 (23)

Higher university

48 (41)

19 (54)

 

Mean (SD)

Mean (SD)

Age

15.4 (1.6)

15.2 (1.6)

Disease duration (months)

21.4 (15.2)

NA

School absence %b

65 (30)

2.1 (6.8)

  1. aMFQ (Mood and feelings Questionnaire) score >20 suggests depressive symptoms and was the cutoff chosen. NA = not applicable. bSchool absence was calculated as the ratio between mean days absent from school last month and days supposed to be at school last month. These proportions are presented as mean values with SD