Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

720 questions · 804 findings · 103 reviews

No studies found 207 · 25.7%GRADE not reported 161 · 20%Very low 192 · 23.9%Low 160 · 19.9%Moderate 78 · 9.7%High 6 · 0.7%

Combined incentive‐based and educational interventions vs no intervention

Pregnant at end of trial · Adolescents (10-19 years)

Combined incentive‐based and educational interventions showed no clear difference in pregnant at end of trial compared with no intervention (low certainty).

1 finding from 1 review

Psychological interventions (including health education) vs usual care

Proportion of participants returning to work in the short term (up to 6 months) · patients with coronary heart disease

It is very uncertain whether psychological interventions (including health education) changes proportion of participants returning to work in the short term (up… compared with usual care (very low certainty).

1 finding from 1 review

Psychological interventions (including health education) vs usual care

Proportion of participants returning to work in the medium term (6 months ‐ 1 year) · patients with coronary heart disease

It is very uncertain whether psychological interventions (including health education) changes proportion of participants returning to work in the medium term (6… compared with usual care (very low certainty).

1 finding from 1 review

Psychological interventions (including health education) vs usual care

Return to work · patients with coronary heart disease

Psychological interventions (including health education) showed no clear difference in proportion of participants at work in the long term (> 1 to < 5 years) compared with usual care (low certainty).

2 findings from 1 review

Healthcare professional‐led breastfeeding education and support vs usual care

Breastfeeding initiation · women exposed to interventions intended to promote breastfeeding

Healthcare professional‐led breastfeeding education and support may leads to higher initiation of breastfeeding compared with standard care (low certainty).

1 finding from 1 review