Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,140 questions · 1,233 findings · 162 reviews

No studies found 326 · 26.4%GRADE not reported 193 · 15.7%Very low 290 · 23.5%Low 253 · 20.5%Moderate 153 · 12.4%High 18 · 1.5%

Culturally and literacy adapted audio‐/visual education without personal feedback vs written information on the same topic

Health behaviour – Time point a: medium‐term (up to 6 months post‐intervention) Any cancer screening uptake · migrants

Culturally and literacy adapted audio‐/visual education without… showed no clear difference in health behaviour – Time point a: medium‐term (up to 6 months… compared with written information on the same topic (low certainty).

1 finding from 1 review

Traditional screening with motivation (oral health education and offer of free treatment) vs Traditional screening

Dental attendance · School children, primary and secondary schools in India

It is very uncertain whether traditional screening with motivation (oral health education and… changes dental attendance compared with traditional screening alone (very low certainty).

1 finding from 1 review

Multiple methods of breastfeeding support (including social, educational and/or physical support) vs usual care

Breastfeeding · pregnant or lactating women who were overweight or obese

It is very uncertain whether multiple methods of breastfeeding support (including social,… changes any breastfeeding at 6 months compared with usual care (very low certainty).

2 findings from 1 review

Multiple methods of breastfeeding support (including social, educational and/or physical support) vs usual care

Non‐initiation of breastfeeding · pregnant or lactating women who were overweight or obese

It is very uncertain whether multiple methods of breastfeeding support (including social,… changes non‐initiation of breastfeeding compared with usual care (very low certainty).

1 finding from 1 review

Multiple methods of breastfeeding support (including social, educational and/or physical support) vs usual care

Exclusive breastfeeding at 4‐6 weeks · pregnant or lactating women who were overweight or obese

It is very uncertain whether multiple methods of breastfeeding support (including social,… changes exclusive breastfeeding at 4‐6 weeks compared with usual care (very low certainty).

1 finding from 1 review

Multiple methods of breastfeeding support (including social, educational and/or physical support) vs usual care

Exclusive breastfeeding at 6 months · pregnant or lactating women who were overweight or obese

It is very uncertain whether multiple methods of breastfeeding support (including social,… changes exclusive breastfeeding at 6 months compared with usual care (very low certainty).

1 finding from 1 review