Comparison 3. Sensitivity analysis (assumptions for lost binary data): peer support + standard care versus standard care.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Service use: 1. Hospital admission – medium term	1		Risk Ratio (M‐H, Random, 95% CI)	Subtotals only
1.1 Without intention‐to‐treat (ITT)	1	19	Risk Ratio (M‐H, Random, 95% CI)	0.44 [0.11, 1.75]
1.2 With ITT	1	25	Risk Ratio (M‐H, Random, 95% CI)	0.55 [0.18, 1.64]