Findings

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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 psychosocial interventions vs enhanced usual care

Functional impairment · women with perinatal depression

Lay health worker‐led psychosocial interventions showed no clear difference in functional impairment ‐ intermediate term (1 to 6 months post… compared with enhanced usual care (low certainty).

1 finding from 1 review

Lay health worker‐led psychosocial interventions vs enhanced usual care

Service utilisation ‐ maternal or child hospitalisations ‐ intermediate term (1 to 6 months post intervention) · women with perinatal depression

It is very uncertain whether lay health worker‐led psychosocial interventions changes service utilisation ‐ maternal or child hospitalisations ‐… compared with enhanced usual care (very low certainty).

1 finding from 1 review

Primary health professional‐led or collaborative care vs usual or enhanced care

Quality of life ‐ intermediate term (1 to 6 months post intervention) SF‐36 social functioning (higher score = higher quality of life) · women with perinatal depression

It is very uncertain whether primary health professional‐led collaborative care interventions changes quality of life ‐ intermediate term (1 to 6 months post… compared with usual or enhanced care (very low certainty).

1 finding from 1 review

Intervention not reported

Mortality by hospital discharge · preterm infants less than 30 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress syndrome

The intervention showed no clear difference in mortality by hospital discharge (low certainty).

1 finding from 1 review

Intervention not reported

Incidence of bronchopulmonary dysplasia · preterm infants less than 30 weeks' gestational age requiring conventional mechanical ventilation for respiratory distress syndrome

The intervention showed no clear difference in incidence of bronchopulmonary dysplasia (low certainty).

1 finding from 1 review