Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

50 questions · 55 findings · 9 reviews · Developmental, Psychosocial and Learning Problems · Headline outcomes only

No studies found 11 · 20%GRADE not reported 5 · 9.1%Very low 12 · 21.8%Low 13 · 23.6%Moderate 14 · 25.5%High 0 · 0%

Educational intervention vs no educational intervention

Age at introduction of complementary foods Measurement: proportion participants with event · children of complementary feeding age

Educational intervention probably leads to lower age at introduction of complementary foods Measurement: proportion… compared with no educational intervention (moderate certainty).

1 finding from 1 review

Educational intervention vs no educational intervention

Stunting · children of complementary feeding age

Educational intervention showed no clear difference in nutritional status: stunting (H/LAZ ≤ −2 SD) Measurement: proportion… compared with no educational intervention (low certainty).

1 finding from 1 review

Educational intervention vs no educational intervention

Wasting · children of complementary feeding age

Educational intervention showed no clear difference in nutritional status: wasting (WH/LZ ≤ −2 SD) Measurement: proportion… compared with no educational intervention (low certainty).

1 finding from 1 review

Educational intervention vs no educational intervention

Underweight · children of complementary feeding age

Educational intervention showed no clear difference in nutritional status: underweight (WAZ ≤ −2 SD) Measurement:… compared with no educational intervention (low certainty).

1 finding from 1 review

Educational intervention vs no educational intervention

Duration of exclusive breastfeeding (≥ 4 months of age) Measurement: proportion of participants with event · children of complementary feeding age

It is very uncertain whether educational intervention changes duration of exclusive breastfeeding (≥ 4 months of age) Measurement:… compared with no educational intervention (very low certainty).

3 findings from 1 review

Educational intervention vs no educational intervention

Hygiene practices: community‐based intervention Measurement: proportion of participants with event · children of complementary feeding age

Educational intervention probably leads to higher hygiene practices: community‐based intervention Measurement:… compared with no educational intervention (moderate certainty).

1 finding from 1 review

Educational intervention vs no educational intervention

Weight (kg) · children of complementary feeding age
2 findings from 1 review

Educational intervention vs no educational intervention

Height (cm) · children of complementary feeding age
2 findings from 1 review