A systematic review and meta-analysis of group peer support interventions for people experiencing mental health conditions.

Findings from the few eligible trials suggest group peer support interventions may be specifically effective for supporting personal recovery and have a limited impact on other outcomes, though there were some risks of bias to study findings. Interventions were heterogeneous and most social outcomes were absent in the literature, highlighting further limitations to the current evidence-base. There is insufficient evidence available from trials of group peer support torecommend the routine implementation of these interventions across mainstream mental health services at present. More high-quality trials of peer-developed, group peer support interventions are needed in order tomake firm conclusions about intervention effectiveness.