Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20): Gestational age (preterm birth < 37 weeks)
- Population
- Pregnant women who smoke
- Intervention
- Outcomes for all interventions for smoking cessation in pregnancy
- Comparison
- control: subgrouped by main intervention strategy (comparison 20)
- Outcome
- Gestational age (preterm birth < 37 weeks)
Outcomes for all interventions for smoking cessation in pregnancy showed no clear difference in preterm birth (under 37 weeks) compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20) Preterm birth (under 37 weeks) · Pregnant women who smoke Outcomes for all interventions for smoking cessation in pregnancy showed no clear difference in preterm birth (under 37 weeks) compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty). Psychosocial interventions for supporting women to stop smoking in pregnancy (2017) · Cochrane Headline outcomes only | RR 0.93 [0.77, 1.11] | 19 studies · 9222 participants | High |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only | Not reported | Not extracted | Not assessed |
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.