Comparison 4. Primary health professional‐led collaborative interventions versus enhanced usual care in treating perinatal depression.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
4.1 Recovery from depression	1		Odds Ratio (IV, Random, 95% CI)	Subtotals only
4.1.1 Short term (up to 1 month post intervention)	1	576	Odds Ratio (IV, Random, 95% CI)	0.77 [0.47, 1.25]
4.2 Depression symptoms	2		Mean Difference (IV, Random, 95% CI)	Subtotals only
4.2.1 Short term (up to 1 month post intervention)	2	806	Mean Difference (IV, Random, 95% CI)	‐2.44 [‐5.86, 0.99]
4.2.2 Intermediate term (1 to 6 months post intervention)	1	230	Mean Difference (IV, Random, 95% CI)	‐1.60 [‐3.49, 0.29]
4.2.3 Long term (> 6 months post intervention)	1	686	Mean Difference (IV, Random, 95% CI)	‐0.90 [‐1.70, ‐0.10]
4.3 Quality of life	1		Mean Difference (IV, Random, 95% CI)	Subtotals only
4.3.1 Short term (up to 1 month post intervention)	1	230	Mean Difference (IV, Random, 95% CI)	18.30 [10.42, 26.18]
4.3.2 Intermediate term (1 to 6 months post intervention)	1	230	Mean Difference (IV, Random, 95% CI)	3.50 [‐4.55, 11.55]
4.4 Functional impairment	1		Mean Difference (IV, Random, 95% CI)	Subtotals only
4.4.1 Short term (up to 1 month post intervention)	1	686	Mean Difference (IV, Random, 95% CI)	‐0.60 [‐1.10, ‐0.10]
4.4.2 Long term (> 6 months post intervention)	1	686	Mean Difference (IV, Random, 95% CI)	‐0.20 [‐0.70, 0.30]
4.5 Adverse events	1		Other data	No numeric data