Comparison 11. Mental health.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Depressive Symptoms (short‐term)	4		Odds Ratio (Random, 95% CI)	Subtotals only
1.1 Individual Targeted	1	124	Odds Ratio (Random, 95% CI)	1.02 [0.54, 1.93]
1.2 School Universal	3	3907	Odds Ratio (Random, 95% CI)	0.92 [0.71, 1.20]
2 Depressive Symptoms (long‐term)	5		Odds Ratio (Random, 95% CI)	Subtotals only
2.1 Family Targeted	4	2386	Odds Ratio (Random, 95% CI)	0.88 [0.80, 0.98]
2.2 School Targeted	1	721	Odds Ratio (Random, 95% CI)	0.68 [0.42, 1.09]