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Table 3 Return to work (RTW) and sick leave outcomes in the brief and multidisciplinary intervention groups within Subgroup 1 (those with influence on the planning of their own work and no perceived risk of losing job and/or being a work injury claimant)

From: Sustainability of return to work in sick-listed employees with low-back pain. Two-year follow-up in a randomized clinical trial comparing multidisciplinary and brief intervention

  One-year follow-up Two-year follow-up
Brief intervention N = 113 Multidiscipl. intervention N = 114 P Brief intervention N = 113 Multidiscipl. Intervention N = 114 P
RTW >4 weeks during follow-up (n;%) 90; 79.7 78; 68.4 0.014* 92; 81.4 85; 74.6 0.028*
Status at 52 nd and 104 th week       
RTW (n;%) 77; 68.1 66; 57.9 0.12** 74; 65.5 62; 54.4 0.068**
Sick leave (n;%) 28; 24.8 39; 34.2   14; 12.4 27; 63.7  
Modified job or training (n;%) 6; 5.3 8; 7.0   15; 13.3 14; 12.3  
Labour market exclusion (n;%) 2; 1.8 0; 0.0   6; 5.3 6; 5.3  
Other (n;%) 0; 0.0 0; 0.0   3; 2.7 3; 2.6  
Died or moved abroad (n;%) 0; 0.0 1; 0.9   1; 0.9 2; 1.8  
Sick leave weeks in first and second year (25; 50; 75 percentiles) 6; 14; 34 12; 26; 51 0.001*** 0; 0; 14 0; 1; 25 0.11***
  1. *Cox regression model adjusted for gender and age.
  2. **Logistic regression model adjusted for gender and age.
  3. ***Wilcoxon rank-sum test.