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Table 3 Cox Regression and Regression analysis results at 12-month follow-up (n = 320)

From: Is the “Brainwork Intervention” effective in reducing sick leave for non-permanent workers with psychological problems? Results of a controlled clinical trial

  Intervention group
(n = 164)
Control group
(n = 156)
Regression
coefficient
P Hazard Ratio
(95% CI)
Primary outcome
 Duration of sick leavea, Mean ± SD (days) 269 ± 130 296 ± 145 0.25 0.11 1.23 (0.94–1.76)
Secondary outcomes
Duration of sick leave starting from SSA transfera, Mean ± SD (days) 244 ± 135 263 ± 129 0.23 0.16 1.25 (0.92–1.71)
 Number of hours of paid employment during follow-upb, Mean ± SD (n = 146) 493 ± 545
(n = 81)
682 ± 609
(n = 65)
- 187.81 0.053  
Degree of participationc n (%)      Odds Ratioc
No participation 77 (47%) 83 (53%) - 0.27 0.24 0.77 (0.49–1.19)
Non-paid work 6 (4%) 8 (5%)    
Paid work 81 (49%) 65 (42%)    
Proportion returned to work at 12 monthsd, n (%) (total n = 161) 89 (54%) 72 (46%)    
  1. aCox regression analysis adjusted for regional SSA office and type of worker
  2. bLinear Regression analysis of working participants (n = 146) adjusted for regional SSA office and type of worker
  3. cOrdinal Regression analysis adjusted for regional SSA office and type of worker
  4. dReturn to work defined as end of sickness benefit