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Table 1 Characteristics of the study sample at baseline

From: Changes in work situation and work ability in young female and male workers. A prospective cohort study

  Males Females
  (N = 593, 45%) (N = 718, 55%)
Work ability; mean, (range), SD 8.7 (1–10) 1.3 8.5 (1–10) 1.6
Individual factors at baseline
  N % N %
Civil status
Cohabit/married/partnership 197 35 308 47
Girl-/boyfriend, not living together 115 20 139 21
Single 252 45 210 32
Education level – highest finished
Compulsory school/high school 516 83 540 73
College/university 72 17 168 27
Occupation with demands of education at college/university level
Yes 44 8 102 15
No 538 92 594 85
Living area
City 222 37 310 43
Not city 371 63 408 57
Birth country
Sweden 559 94 678 94
Other 34 6 40 6
Smoking     
No, not at all/seldom 529 89 594 83
Yes, daily/nearly daily 64 11 123 17
Body mass index     
< 25 kg/m2 372 64 511 76
≥ 25 kg/m2 206 36 161 24
Physical activity in leisure time     
Moderate exercise-hard training 487 83 601 85
Sedentary 99 17 106 15
Chronic pain or ache ( >3 months)     
No 487 83 501 70
Yes 99 17 215 30
Symptoms of depression last month     
No 301 69 249 50
Yes 138 31 250 50
Experienced health     
Good or very good 491 83 517 72
Very bad, bad or moderately 102 17 198 28
  1. N = 1,311. (SD = standard deviation, N = number of workers).