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. 2021 Aug 5;2021(8):CD009149. doi: 10.1002/14651858.CD009149.pub3

Comparison 1. Lay health worker‐led psychological interventions versus usual care in treating common mental disorders (CMDs).

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1.1 Recovery from common mental disorders 3   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
1.1.1 Short term (up to 1 month post intervention) 1 222 Risk Ratio (M‐H, Random, 95% CI) 1.50 [1.04, 2.16]
1.1.2 Intermediate (1 to 6 months post intervention) 2 308 Risk Ratio (M‐H, Random, 95% CI) 1.29 [1.06, 1.56]
1.1.3 Long term (> 6 months post intervention) 1 493 Risk Ratio (M‐H, Random, 95% CI) 1.96 [1.34, 2.87]
1.2 Prevalence of common mental disorders 3   Risk Ratio (M‐H, Random, 95% CI) Subtotals only
1.2.1 Short term (up to 1 month post intervention) 2 336 Risk Ratio (M‐H, Random, 95% CI) 0.51 [0.15, 1.77]
1.2.2 Intermediate term (1 to 6 months post intervention) 2 479 Risk Ratio (M‐H, Random, 95% CI) 0.42 [0.18, 0.96]
1.3 Common mental disorder symptoms  8   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
1.3.1 Short term (up to 1 month post intervention) 4 717 Std. Mean Difference (IV, Random, 95% CI) ‐0.93 [‐1.68, ‐0.18]
1.3.2 Intermediate term (1 to 6 months post intervention) 4 798 Std. Mean Difference (IV, Random, 95% CI) ‐0.59 [‐1.01, ‐0.16]
1.3.3 Long term (> 6 months post intervention) 1 493 Std. Mean Difference (IV, Random, 95% CI) ‐0.32 [‐0.49, ‐0.14]
1.4 Quality of life 1   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
1.4.1 Intermediate term (1 to 6 months post intervention) 1 521 Std. Mean Difference (IV, Random, 95% CI) 0.51 [0.34, 0.69]
1.5 Functional impairment/disability 4   Std. Mean Difference (IV, Random, 95% CI) Subtotals only
1.5.1 Short term (up to 1 month post intervention) 2 659 Std. Mean Difference (IV, Random, 95% CI) ‐0.09 [‐0.24, 0.06]
1.5.2 Intermediate term (1 to 6 months post intervention) 3 1399 Std. Mean Difference (IV, Random, 95% CI) ‐0.47 [‐0.80, ‐0.15]
1.5.3 Long term (> 6 months post intervention) 1 493 Std. Mean Difference (IV, Random, 95% CI) ‐0.16 [‐0.34, 0.02]