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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