Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

86 questions · 87 findings · 9 reviews · Public Health · Headline outcomes only

No studies found 11 · 12.6%GRADE not reported 0 · 0%Very low 10 · 11.5%Low 27 · 31%Moderate 25 · 28.7%High 14 · 16.1%