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Table 1 Characteristics of the prospective cohort (n = 341)

From: Emotional support predicts more sickness absence and poorer self assessed work ability: a two-year prospective cohort study

Variable Total (n) Frequency (%) Mean (95% CI)
Sex 341 . .
   Women . 153 (44.9%) .
   Men . 188 (55.1%) .
Age (in years) 341 . 52.35 (51.84-52.86)
Occupation (SES) 337 . .
   Non manual . 185 (54.9%) .
   Manual . 112 (33.2%) .
   Self-employed . 40 (11.9%) .
Smoking, current 332 69 (20.8%) .
BMI (kg/m2) 340 . 26.11 (25.70-26.52)
Alcohol consumption 325 . .
   Lowa . 264 (81.2%) .
   Mediumb . 36 (11.1%) .
   Highc . 25 (7.7%) .
Disease (self report of diagnosis) 341 171 (50.2%) .
Previous back pain 330 219 (66.4%) .
"Poor" work ability 278 56 (20.1%) .
Sickness absence spells at baseline† 341 . 0.47 (0.39-0.55)
Sickness absence spells at follow-up‡ 340 . 0.49 (0.42-0.56)
Sickness absence days at baseline† 335 . 6.59 (4.83-8.35)
Sickness absence days at follow-up‡ 340 . 6.96 (5.09-8.83)
  1. CI = confidence interval.
  2. aLow (< 80 g/week for women, < 110 g/week for men)
  3. bMedium (between 80-139 g/week for women, 110-169 g/week for men)
  4. cHigh (≥ 140 g/week for women, ≥ 170 g/week for men)
  5. † within the last 12 months before baseline
  6. ‡ within the last 12 months before follow-up