Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,736 questions · 15,265 findings · 1,163 reviews · Headline outcomes only

No studies found 3,871 · 25.4%GRADE not reported 810 · 5.3%Very low 4,242 · 27.8%Low 3,879 · 25.4%Moderate 1,999 · 13.1%High 464 · 3%

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Intervention not reported

Diarrhoea prevalence (All ages) · adults and children

The intervention may leads to lower diarrhoea prevalence (All ages) (low certainty).

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (Children < 5) · adults and children

The intervention may leads to lower diarrhoea prevalence (Children < 5) (low certainty).

1 finding from 1 review

Intervention not reported

Non‐randomized studies** · adults and children

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (All ages) · adults and children

The intervention showed no clear difference in diarrhoea prevalence (All ages) (low certainty).

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (Children < 5) · adults and children

The intervention showed no clear difference in diarrhoea prevalence (Children < 5) (low certainty).

1 finding from 1 review

Intervention not reported

Non‐randomized studies** · adults and children

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (Children < 5a) · adults and children

The intervention showed no clear difference in diarrhoea prevalence (Children < 5a) (low certainty).

1 finding from 1 review

Intervention not reported

Non‐randomized studies** · adults and children

The review found no eligible studies for this question.

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (All ages) · adults and children

The intervention may leads to lower diarrhoea prevalence (All ages) (low certainty).

1 finding from 1 review

Intervention not reported

Diarrhoea prevalence (Children < 5) · adults and children

It is very uncertain whether the intervention changes diarrhoea prevalence (Children < 5) (very low certainty).

1 finding from 1 review