Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

59 questions · 76 findings · 14 reviews · Headline outcomes only

No studies found 10 · 13.2%GRADE not reported 9 · 11.8%Very low 20 · 26.3%Low 19 · 25%Moderate 13 · 17.1%High 5 · 6.6%

Behavioural intervention vs control

Smoking cessation at time of surgery ‐ Intensive behavioural intervention (multiple contacts, initiated at least 4 weeks before surgery) · People awaiting surgery

Behavioural intervention probably leads to higher smoking cessation at time of surgery ‐ Intensive behavioural… compared with control (moderate certainty).

1 finding from 1 review

Behavioural intervention vs control

Smoking cessation at time of surgery ‐ Brief behavioural intervention · People awaiting surgery

Behavioural intervention leads to higher smoking cessation at time of surgery ‐ Brief behavioural intervention compared with control (high certainty).

1 finding from 1 review

Behavioural intervention vs control

Postoperative morbidity: Any complication ‐ Intensive intervention · People awaiting surgery

Behavioural intervention probably leads to lower postoperative morbidity: Any complication ‐ Intensive intervention compared with control (moderate certainty).

1 finding from 1 review

Behavioural intervention vs control

Postoperative morbidity: Any complication ‐ Brief intervention · People awaiting surgery

Behavioural intervention showed no clear difference in postoperative morbidity: Any complication ‐ Brief intervention compared with control (moderate certainty).

1 finding from 1 review

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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Individual level cognitive behavioural intervention vs no intervention

Self‐reported victimisation. Post intervention. · Adult workers with a learning disability

It is very uncertain whether individual level cognitive behavioural intervention changes self‐reported victimisation. Post intervention. compared with no intervention (very low certainty).

2 findings from 1 review

Individual level cognitive behavioural intervention vs no intervention

Self‐reported perpetration. Post intervention. · Adult workers with a learning disability

It is very uncertain whether individual level cognitive behavioural intervention changes self‐reported perpetration. Post intervention. compared with no intervention (very low certainty).

2 findings from 1 review

Behavioural intervention vs control

QoL · adults with obstructive sleep apnoea
2 findings from 1 review