Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,328 questions · 2,553 findings · 243 reviews · Headline outcomes only

No studies found 535 · 21%GRADE not reported 143 · 5.6%Very low 782 · 30.6%Low 693 · 27.1%Moderate 312 · 12.2%High 88 · 3.4%

Behavioural intervention vs minimal control

Smoking cessation · young people

Behavioural interventions showed no clear difference in individual counselling (in‐person) vs control Smoking cessation compared with minimal control (low certainty).

5 findings from 1 review
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