Table 3

The effect of the interventions on return to work of the seven studies reporting return to work

Author(s)Study designAssignment to control groupMeasurement instrumentFollow-upReturn-to-work rate at follow-up*OR (95% CI)Quality score (range from 0 to 24)
Intervention group, N (%)Control group, N (%)
Capone et al28Controlled trialAvailability before primary treatmentSemi-structured interview12 months post-treatment/completion intervention14 (70%)5 (36%)0.24 (0.06 to 1.02)16
Maguire et al38Controlled trialDate of treatmentSemi-structured interview12–18 months post-treatment32 (76%)25 (54%)0.37 (0.15 to 0.93)18
Leitsmann et al37Prospective cohort studyNAHospital report5 years after start of intervention135 (37%)NANA9
Berglund et al25Controlled trialThe refusal of the intervention but agreement to be monitoredQuestionnaire12 months after completion of intervention24 (80%)28 (93%)3.50 (0.65 to 18.98)16
Berglund et al26Controlled trialRandomisationQuestionnaire12 months after completion of intervention80 (89%)76 (83%)0.63 (0.27 to 1.50)18
Fismen et al32Prospective cohort studyNAQuestionnaire5 years after completion of intervention19 (56%)NANA10
Nieuwenhuijsen et al41Prospective cohort studyNASemi-structured interview12 months after completion of intervention23 (89%)NANA13
  • * 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.