Findings

What do systematic reviews say?

3 questions · 3 findings · 2 reviews · Tobacco Addiction

No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 66.7%Low 0 · 0%Moderate 1 · 33.3%High 0 · 0%

Smoking cessation · people who smoke

Reduction to quit showed no clear difference in smoking cessation (≥ 6‐month compared with abrupt quitting (moderate certainty).

1 finding from 1 review

Smoking reduction interventions for smoking cessation 2019 · Cochrane Headline outcomes only
RR 1.01 [0.87, 1.17]
22 studies · 9219 participants
Moderate

Cessation · people who smoke

It is very uncertain whether reduction to quit changes smoking cessation (≥ 6 month compared with no treatment (very low certainty).

1 finding from 1 review

Smoking reduction interventions for smoking cessation 2019 · Cochrane Headline outcomes only
RR 1.74 [0.9, 3.38]
6 studies · 1599 participants
Very low

Cessation: Behavioural reduction advice vs health mailings · Smokers who cannot or do not want to quit smoking

It is very uncertain whether the intervention changes cessation: Behavioural reduction advice vs health mailings (very low certainty).

1 finding from 1 review

Interventions to reduce harm from continued tobacco use 2016 · Cochrane Headline outcomes only
RR 1.49 [0.59, 3.76]
1 study · 320 participants
Very low