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Table 3 Return to work (RTW) in intervention and control group for all participants and for subgroups with different health status at baseline analysed by the pseudo values method

From: Effects of a randomized controlled intervention trial on return to work and health care utilization after long-term sickness absence

  Intervention group (IG) (n = 185) Control group (CG) (n = 86) RTW for IG with CG as reference group Inter-action between groups and health status on RTW
Median weeks until RTW (iqr) RR (95 % CI)a p value
All participants [271] 30 (13-51) 23.5 (10-51) 0.92 (0.78-1.08)  
Somatic symptoms
High > =16 [195] 46 (16-51) n = 125 33.5 (15-51) n = 70 0.82 (0.63-1.08) 0.36
Low [219] 24 (11-51) n = 155 15 (9-41.5) n = 64 0.96 (0.79-1.16)
Health anxiety
High > =7 [202] 37.5 (16.5-51) n = 132 42 (14-51) n = 70 1.15 (0.84-1.57) 0.04
Low [213] 25 (11-51) n = 149 15.5 (8.5-27) n = 64 0.79 (0.68-0.93)
General health
Poor [171] 46 (19-51) n = 113 48 (16-51) n = 58 1.13 (0.76-1.67) 0.18
Good [202] 24 (11-49) n = 143 15 (8-30) n = 59 0.84 (0.74-0.97)
  1. aAdjusted for: gender, age, education level, work ability, sickness absence previous year