Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

304 questions · 314 findings · 29 reviews · Public Health

No studies found 57 · 18.2%GRADE not reported 22 · 7%Very low 88 · 28%Low 86 · 27.4%Moderate 43 · 13.7%High 18 · 5.7%

Intervention not reported

Physical activity % physically active Intervention compared to control adjusted pre‐post cross‐sectional sampling (end of intervention to 3 years, 4 months) · whole communities (adults, adolescents and children)
1 finding from 1 review

Zinc supplementation in pregnant women vs supplementation without zinc or placebo to reduce stunting

Birth length · pregnant women

Zinc supplementation in pregnant women showed no clear difference in length (cm) at birth compared with supplementation without zinc or placebo to reduce stunting (moderate certainty).

1 finding from 1 review

Zinc supplementation in pregnant women vs supplementation without zinc or placebo to reduce stunting

Low birth weight (g) · pregnant women

Zinc supplementation in pregnant women showed no clear difference in low birth weight (g) compared with supplementation without zinc or placebo to reduce stunting (moderate certainty).

1 finding from 1 review

Nutrition education intervention for pregnant women vs no intervention or standard care to reduce stunting (height‐for‐age, length at 18 months)

Low birth weight (g) · pregnant women

Nutrition education intervention for pregnant women may leads to higher low birth weight (g) compared with standard care or no intervention, to reduce stunting (low certainty).

1 finding from 1 review

Agricultural education with post‐harvest technologies vs usual agricultural support

Unintended effects of agricultural and nutritional education interventions to reduce the aflatoxin intake of infants, children, pregnant and lactating women · pregnant and lactating women, infants, and children
1 finding from 1 review