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Evidence found and GRADE certainty

4,721 questions · 19,640 findings · 2,039 reviews · Headline outcomes only

No studies found 3,754 · 19.1%GRADE not reported 1,273 · 6.5%Very low 4,859 · 24.7%Low 5,568 · 28.4%Moderate 3,240 · 16.5%High 946 · 4.8%

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Lay health worker‐led psychological interventions vs usual care

Prevalence of CMDs ‐ intermediate term (1 to 6 months post intervention) Diagnosis defined by SRQ‐20 > 7b; PHQ‐9 ≥ 11d (RR < 1 denotes lower prevalence compared to control) · adults with common mental disorders

Lay health worker‐led psychological interventions may leads to lower prevalence of CMDs ‐ intermediate term (1 to 6 months post… compared with usual care (low certainty).

1 finding from 1 review

Lay health worker‐led psychological interventions vs usual care

Severity of CMD symptoms (including anxiety and depression) ‐ intermediate term (1 to 6 months post intervention) Measured by PHQ‐9a,d,f; SRQ‐20b (higher score, higher severity) · adults with common mental disorders
1 finding from 1 review

Lay health worker‐led psychological interventions vs usual care

Prevalence of PTSD · adults with post‐traumatic stress and CMDs

It is very uncertain whether lay health worker‐led psychological interventions changes prevalence of PTSD ‐ intermediate term (1 to 6 months) Diagnosis… compared with usual care (very low certainty).

1 finding from 1 review

Lay health worker‐led psychological interventions vs usual care

Depression symptoms ‐ intermediate term (1 to 6 months post intervention) GHQ‐12a; PHQ‐9d,e,f; self‐reporting questionnaireh (higher score = higher severity) · adults with post‐traumatic stress and CMDs
1 finding from 1 review

Primary health professional‐led psychological interventions vs usual care or no treatment

Prevalence of adults with probable PTSD (1 to 6 months post intervention) Diagnosis defined by HTQ ≥ 1.75 (RR > 1 denotes lower prevalence compared to control) · adults with post‐traumatic stress or common mental disorders

Primary health professional‐led psychological interventions may leads to higher prevalence of adults with probable PTSD (1 to 6 months post… compared with usual or no care (low certainty).

1 finding from 1 review