Comparison 10. Subgroup analysis—setting.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
10.1 Depressive symptoms at 0‐1 months—indicated prevention adults	18	2341	Std. Mean Difference (IV, Random, 95% CI)	‐0.16 [‐0.30, ‐0.03]
10.1.1 Community setting	8	1278	Std. Mean Difference (IV, Random, 95% CI)	‐0.17 [‐0.43, 0.09]
10.1.2 Other	9	987	Std. Mean Difference (IV, Random, 95% CI)	‐0.17 [‐0.31, ‐0.03]
10.1.3 Refugee camp	1	76	Std. Mean Difference (IV, Random, 95% CI)	‐0.11 [‐0.56, 0.34]
10.2 Depressive symptoms at 1‐6 months—indicated prevention adults	11	2609	Std. Mean Difference (IV, Random, 95% CI)	‐0.34 [‐0.58, ‐0.10]
10.2.1 Community setting	4	1458	Std. Mean Difference (IV, Random, 95% CI)	‐0.27 [‐0.37, ‐0.16]
10.2.2 Other	6	1005	Std. Mean Difference (IV, Random, 95% CI)	‐0.40 [‐0.94, 0.14]
10.2.3 School	1	146	Std. Mean Difference (IV, Random, 95% CI)	‐0.39 [‐0.72, ‐0.06]
10.3 Distress/PTSD symptoms at 0‐1 months—indicated prevention adults	19	2536	Std. Mean Difference (IV, Random, 95% CI)	‐0.54 [‐0.95, ‐0.14]
10.3.1 Community setting	6	1033	Std. Mean Difference (IV, Random, 95% CI)	‐0.03 [‐0.23, 0.16]
10.3.2 Other	11	1367	Std. Mean Difference (IV, Random, 95% CI)	‐0.82 [‐1.57, ‐0.08]
10.3.3 Refugee camp	1	76	Std. Mean Difference (IV, Random, 95% CI)	‐0.28 [‐0.73, 0.17]
10.3.4 School	1	60	Std. Mean Difference (IV, Random, 95% CI)	‐0.52 [‐1.04, ‐0.01]