Clinical data: baseline
Median values with 25-75 percentiles between brackets and categorical variables as percentages (%) are given
N 1002
Age in years 56 (52-60)
Gender, female 79%
BMI, kg/m2 26 (23-28)
Educational level:
Primary school 3%
Secondary school 70%
High prof. education/ univ. 27%
WOMAC subscales:
Pain (range 0-20) 5 (2-7)
Stiffness (range 0-8) 3 (2-4)
Physical function (range 0-68) 14 (7-14)
Present employment
Paid job/volunteer 53%
no paid job 47%
SF-36 subscales (range 0-100):
Physical function 80 (65-90)
Physical role 100 (50-100)
Bodily pain 67 (57-80)
Fatigue 65 (55-75)
Social function 88 (63-100)
Fear and depression 100 (100-100)
Mental health 80 (68-88)
PCS 47 (40-51)
MCS 55 (50-59)
EuroQol Utility 0,7 (0,7-0,8)

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