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Table 3 Effect of multidisciplinary team-intervention compared with brief intervention in subgroups from the original study group

From: Subgroup analyses on return to work in sick-listed employees with low back pain in a randomised trial comparing brief and multidisciplinary intervention

  All participants Claimants excluded
  HRR (95% CI) P of interaction n HRR (95% CI) P of interaction n
Socio-demographic models**       
No moderator* 0.88 (0.68-1.13)    0.93 (0.70-1.23)   
Married 0.79 (0.59-1.05) 0.28 250 0.84 (0.61-1.17) 0.40 193
Single 0.95 (0.55-1.64)   83 1.02 (0.56-1.87)   64
Work-related models**       
No moderator* 0.85 (0.66-1.11)    0.95 (0.70-1.28)   
Job satisfaction, high 0.52 (0.35-0.76) 0.002 142 0.44 (0.27-0.71) 0.001 106
Job satisfaction, low 1.25 (0.88-1.78)   175 1.49 (1.00-2.23)   137
Influence on work planning 0.76 (0.57-1.03) 0.06 243 0.83 (0.59-1.16) 0.036 187
No influence on work planning 1.23 (0.67-2.25)   74 1.33 (0.68-2.62)   56
Interested in returning to current job 0.76 (0.57-1.01) 0.10 275 0.82 (0.59-1.13) 0.052 206
Not interested in returning to current job 1.45 (0.65-3.25)   42 1.63 (0.68-3.89)   37
Health and work-related models***       
No moderator* 0.90 (0.69-1.17)    1.03 (0.76-1.39)   
At risk of losing job because of current sick leave 1.15 (0.73-1.83) 0.17 117 1.60 (0.94-2.75) 0.031 88
Not at risk of losing job 0.77 (0.56-1.08)   190 0.78 (0.54-1.15)   146
Worried about losing job 1.02 (0.70-1.47) 0.28 165 1.25 (0.81-1.90) 0.19 126
Not worried about losing job 0.76 (0.51-1.11)   142 0.79 (0.51-1.25)   108
Permanently impaired work ability 0.97 (0.69-1.37) 0.47 200 1.13 (0.76-1.69) 0.38 148
Not permanently injured 0.76 (0.48-1.20)   107 0.89 (0.54-1.47)   86
  1. *HRR was calculated in the multivariable model without the interaction term
  2. **Adjusted for gender, age and physical and mental component scores (SF36).
  3. ***Adjusted for gender and age.
  4. HRR (HRmultidisciplinary group/HRbrief intervention) was calculated for each level of the independent variable.