Table 3
The effect of the interventions on return to work of the seven studies reporting return to work
| Author(s) | Study design | Assignment to control group | Measurement instrument | Follow-up | Return-to-work rate at follow-up* | OR (95% CI) | Quality score (range from 0 to 24) | |
| Intervention group, N (%) | Control group, N (%) | |||||||
| Capone et al28 | Controlled trial | Availability before primary treatment | Semi-structured interview | 12 months post-treatment/completion intervention | 14 (70%) | 5 (36%) | 0.24 (0.06 to 1.02) | 16 |
| Maguire et al38 | Controlled trial | Date of treatment | Semi-structured interview | 12–18 months post-treatment | 32 (76%) | 25 (54%) | 0.37 (0.15 to 0.93) | 18 |
| Leitsmann et al37 | Prospective cohort study | NA | Hospital report | 5 years after start of intervention | 135 (37%) | NA | NA | 9 |
| Berglund et al25 | Controlled trial | The refusal of the intervention but agreement to be monitored | Questionnaire | 12 months after completion of intervention | 24 (80%) | 28 (93%) | 3.50 (0.65 to 18.98) | 16 |
| Berglund et al26 | Controlled trial | Randomisation | Questionnaire | 12 months after completion of intervention | 80 (89%) | 76 (83%) | 0.63 (0.27 to 1.50) | 18 |
| Fismen et al32 | Prospective cohort study | NA | Questionnaire | 5 years after completion of intervention | 19 (56%) | NA | NA | 10 |
| Nieuwenhuijsen et al41 | Prospective cohort study | NA | Semi-structured interview | 12 months after completion of intervention | 23 (89%) | NA | NA | 13 |
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↵* The number of patients differs from table 1 due the fact that not all patients were employed before the start of the study or due to missing values.
