Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

159 questions · 192 findings · 40 reviews · Tobacco Addiction

No studies found 8 · 4.2%GRADE not reported 1 · 0.5%Very low 56 · 29.2%Low 70 · 36.5%Moderate 43 · 22.4%High 14 · 7.3%

Intervention not reported

Self‐help interventions · Employees who smoke

The intervention showed no clear difference in self‐help interventions (high certainty).

1 finding from 1 review

Intervention not reported

Pharmacological interventions · Employees who smoke

The intervention leads to higher pharmacological interventions (high certainty).

1 finding from 1 review

Intervention not reported

Multiple interventions · Employees who smoke

The intervention probably leads to higher multiple interventions (moderate certainty).

1 finding from 1 review

Hypnotherapy vs behavioural treatments or no treatment

Smoking cessation · people who smoke

It is very uncertain whether hypnotherapy changes hypnotherapy versus intensive behavioural interventions (not matched… compared with behavioural treatments or no treatment (very low certainty).

1 finding from 1 review

Intervention not reported

Smoking cessation: performance‐based eligibility competitions versus alternative cessation intervention · tobacco smokers
1 finding from 1 review

Intervention not reported

Smoking cessation: performance‐based reward competitions versus alternative cessation intervention · tobacco smokers
1 finding from 1 review

Group‐format behavioural programmes vs alternative support

Group programme compared to face‐to‐face individual intervention · people who smoke

Group‐format behavioural programmes showed no clear difference in group programme compared to face‐to‐face individual intervention compared with alternative support (moderate certainty).

1 finding from 1 review

Smoking cessation advice vs no smoking cessation counselling, grouped by intensity of intervention

Quit at longest · individuals who smoke cigarettes and are admitted to a hospital for medical or surgical care

It is very uncertain whether smoking cessation counselling changes quit at longest compared with no smoking cessation counselling, grouped by intensity of intervention (very low certainty).

4 findings from 1 review
Show 1 more finding

Intervention not reported

Nicotine tapering · adults (aged ≥ 18 years) who smoked cigarettes Components: components of pharmacological and e‐cigarette (EC) interventions for smoking…

The intervention showed no clear difference in nicotine tapering (low certainty).

1 finding from 1 review