Cochrane · systematic review · CD006219

Interventions for preventing weight gain after smoking cessation

Hartmann-Boyce, J, Theodoulou, A, Farley, A, et al. · Cochrane Database of Systematic Reviews · 2021 · Cochrane Library

Tobacco AddictionAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
25
current version
GRADE rated
25
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 6 · 24%Low 15 · 60%Moderate 3 · 12%High 1 · 4%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

Questions and results

Behavioural weight management interventions compared to brief advice or no intervention for post‐cessation weight control

Population: People wanting to quit smoking
10 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment ‐ Weight management education versus no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 0.042 studies · 140 participantsLow
Downgraded: risk of bias, imprecision
Mean weight change (kg) at 6 months ‐ Weight management education verses no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 0.892 studies · 81 participantsLow
Downgraded: risk of bias, imprecision
Mean weight change (kg) at 12 months ‐ Weight management education versus no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 0.212 studies · 61 participantsVery low
Downgraded: risk of bias, imprecision
Smoking cessation at 6 months ‐ Weight management education versus no intervention
Behavioural weight management interventions vs brief advice or no intervention
RR 1.02 [0.78, 1.33]3 studies · 660 participantsLow
Downgraded: imprecision
Smoking cessation at 12 months ‐ Weight management education versus no intervention
Behavioural weight management interventions vs brief advice or no intervention
RR 0.66 [0.48, 0.9]2 studies · 522 participantsLow
Downgraded: risk of bias, imprecision
Mean weight change (kg) at end of treatment ‐ Personalised weight management support versus no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 1.113 studies · 121 participantsLow
Downgraded: risk of bias, imprecision
Mean weight change (kg) at 6 months ‐ Personalised weight management support versus no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 0.965 studies · 816 participantsVery low
Downgraded: risk of bias, imprecision
Mean weight change (kg) at 12 months ‐ Personalised weight management support versus no weight intervention
Behavioural weight management interventions vs brief advice or no intervention
MD 0.444 studies · 530 participantsVery low
Downgraded: risk of bias, imprecision
Smoking cessation at 6 months ‐ Personalised weight management support versus no intervention
Behavioural weight management interventions vs brief advice or no intervention
RR 0.95 [0.82, 1.1]7 studies · 5517 participantsLow
Downgraded: risk of bias
Smoking cessation at 12 months ‐ Personalised weight management support versus no intervention
Behavioural weight management interventions vs brief advice or no intervention
RR 0.65 [0.45, 0.92]5 studies · 3441 participantsLow
Downgraded: risk of bias

Acceptance interventions for weight concern compared to no weight management intervention for post‐cessation weight control

Population: People wanting to quit smoking
5 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment
Acceptance interventions for weight concern vs no weight management intervention
no estimate extracted3 studies · 169 participantsVery low
Downgraded: risk of bias, inconsistency
Mean weight change (kg) at 6 months
Acceptance interventions for weight concern vs no weight management intervention
MD 03 studies · 106 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Mean weight change (kg) at 12 months
Acceptance interventions for weight concern vs no weight management intervention
MD 0.72 studies · 76 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Smoking cessation at 6 months
Acceptance interventions for weight concern vs no weight management intervention
RR 1.42 [1.03, 1.96]4 studies · 619 participantsLow
Downgraded: risk of bias, imprecision
Smoking cessation at 12 months
Acceptance interventions for weight concern vs no weight management intervention
RR 1.25 [0.76, 2.06]2 studies · 496 participantsLow
Downgraded: risk of bias, imprecision

Exercise interventions for smoking cessation compared to no exercise intervention for preventing weight gain after smoking cessation

Population: People who have quit smoking
2 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment
Exercise interventions for smoking cessation vs no exercise intervention
MD 0.254 studies · 404 participantsLow
Downgraded: imprecision, inconsistency
Mean weight change (kg) at 12 months
Exercise interventions for smoking cessation vs no exercise intervention
MD 2.073 studies · 182 participantsLow
Downgraded: imprecision, inconsistency

Nicotine replacement therapy for smoking cessation compared to placebo for preventing weight gain after smoking cessation

Population: People who have quit smoking
3 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment
Nicotine replacement therapy for smoking cessation vs placebo
MD 0.5221 studies · 2784 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency, publication bias
Mean weight change (kg) at 6 months
Nicotine replacement therapy for smoking cessation vs placebo
MD 0.0811 studies · 1021 participantsModerate
Downgraded: risk of bias, publication bias
Mean weight change (kg) at 12 months
Nicotine replacement therapy for smoking cessation vs placebo
MD 0.3717 studies · 1463 participantsModerate
Downgraded: imprecision

Varenicline for smoking cessation compared to placebo for preventing weight gain after smoking cessation

Population: People who have quit smoking
3 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment
Varenicline for smoking cessation vs placebo
MD 0.2314 studies · 2566 participantsHigh
Mean weight change (kg) at 6 months
Varenicline for smoking cessation vs placebo
MD 0.093 studies · 384 participantsLow
Downgraded: imprecision
Mean weight change (kg) at 12 months
Varenicline for smoking cessation vs placebo
MD 1.053 studies · 237 participantsLow
Downgraded: risk of bias, imprecision

Fluoexetine compared to placebo for smoking cessation for preventing weight gain after smoking cessation

Population: People who have quit smoking
2 questions
OutcomeEffectEvidenceStatus / GRADE
Mean weight change (kg) at end of treatment
Fluoexetine vs placebo
MD 1.012 studies · 144 participantsLow
Downgraded: risk of bias, imprecision
Mean weight change (kg) at 6 months
Fluoexetine vs placebo
MD 1.012 studies · 124 participantsVery low
Downgraded: risk of bias, imprecision