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Table 4 Results of the mixed model analyses for self-reported secondary outcomes

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

  Group Baseline
(T1)
(n = 89)
4 months
(T2)
(n = 62)
8 months
(T3)
(n = 60)
12 months
(T4)
(n = 65)
B Group*Time
p value
Psychological complaints, mean (SD)
(0 to 36 score)
Intervention 28.4 (6.9)
(n = 51)
22.7 (8.6)
(n = 35)
20.6 (8.1)
(n = 32)
18.6 (8.8)
(n = 36)
−2.85
(p < 0.01)
0.76
Control 29.8 (6.4)
(n = 38)
24.2 (8.5)
(n = 27)
23.2 (8.0)
(n = 27)
20.6 (8.5)
(n = 29)
−2,61
(p < 0.01)
Self-efficacy for RTW, mean (SD)
(1 to 6 score)
Intervention 3.0 (1.0)
(n = 49)
3.2 (1.28)
(n = 35)
3.3 (1.30)
(n = 32)
3.6 (1.38)
(n = 36)
0.20
(p < 0.01)
0.65
Control 2.6 (1.25)
(n = 38)
2.6 (0.98)
(n = 27)
2.9 (1.18)
(n = 28)
3.1 (1.38)
(n = 29)
0.25
(p < 0.01)
 
  1. Differences in psychological complaints and self-efficacy for RTW between the Brainwork Intervention group and the control group, adjusted for regional SSA office and type of worker
  2. B = regression coefficient