Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,805 questions · 2,912 findings · 307 reviews · Headline outcomes only

No studies found 706 · 24.2%GRADE not reported 133 · 4.6%Very low 786 · 27%Low 696 · 23.9%Moderate 474 · 16.3%High 117 · 4%

Immunisation outreach vs usual care

Fully immunised ‐ regular immunisation outreach + non‐monetary incentive ( · children under 5 years of age

Immunisation outreach probably leads to higher proportion of children under 5 years of age fully immunised with all… compared with routine care (moderate certainty).

1 finding from 1 review

Health education vs usual care

Proportion of children under 5 years of age fully immunised with all scheduled vaccines · children under 5 years of age

Health education may leads to higher proportion of children under 5 years of age fully immunised with all… compared with routine care (low certainty).

1 finding from 1 review

Integration of immunisation with other health services vs usual care

Proportion of children who received all recommended vaccines by 2 years of age · children under 5 years of age

Integration of immunisation with other health services may leads to higher proportion of children who received all recommended vaccines by 2… compared with routine care (low certainty).

1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

Diarrhoea (three liquid stools in a single day) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

Respiratory infections (as measured by trialists) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Wheat flour fortified with iron in combination with other micronutrients vs unfortified wheat flour (no micronutrients added)

All‐cause death (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Diarrhoea (three liquid stools in a single day) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Respiratory infections (as measured by trialists) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

All‐cause death (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

iron‐fortified wheat flour with or without other micronutrients added vs fortified wheat flour with same micronutrients (but not iron)

Infection or inflammation at individual level as measured by C‐reactive protein (CRP) (only in children 2 to 11 years of age) · general population of all age groups (including pregnant women) from any country, over two years of age
1 finding from 1 review

Multiple doses of deworming drugs vs placebo

Death (between ages 1 and 6 years) · public health programmes to regularly treat all children aged 16 years or less

Multiple doses of deworming drugs showed no clear difference in mortality (between ages 1 and 6 years) compared with placebo (low certainty).

1 finding from 1 review

Intervention not reported

AIS associated with HPV16/18 or 6/11/16/18 (age 15 to 26 years) · adolescent girls and women aged 15 to 45 years who were HPV16/18 negative before vaccination

The intervention probably leads to lower AIS associated with HPV16/18 or 6/11/16/18 (age 15 to 26 years) (moderate certainty).

1 finding from 1 review