Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,756 questions · 11,779 findings · 747 reviews · Headline outcomes only

No studies found 3,205 · 27.2%GRADE not reported 628 · 5.3%Very low 3,261 · 27.7%Low 2,913 · 24.7%Moderate 1,453 · 12.3%High 319 · 2.7%

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A combination of individual‐level interventions vs no intervention/wait list/placebo/no stress‐reduction intervention

Stress symptoms ( · healthcare workers
3 findings from 1 review

Interventions delivered by dental professionals vs control

Smoking cessation · participants who used tobacco products

It is very uncertain whether interventions delivered by dental professionals changes multi‐session behavioural support versus usual care, brief advice,… compared with control (very low certainty).

4 findings from 1 review
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