Findings

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7 questions · 8 findings · 1 reviews · Pregnancy and Childbirth

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 1 · 12.5%High 7 · 87.5%

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Abstinence · Pregnant women who smoke

Outcomes for all interventions for smoking cessation in pregnancy leads to higher abstinence at 0 to 5 months postpartum compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).

2 findings from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
RR 1.32 [1.17, 1.5]
35 studies · 8366 participants
High
Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
RR 1.35 [1.23, 1.48]
97 studies · 26637 participants
Moderate

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Birthweight < 2500 (g) · Pregnant women who smoke

Outcomes for all interventions for smoking cessation in pregnancy leads to lower low birthweight (under 2500 g) compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).

1 finding from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
RR 0.83 [0.72, 0.94]
18 studies · 9402 participants
High

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Gestational age (preterm birth < 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).

1 finding from 1 review

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

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Mean birthweight · Pregnant women who smoke

Outcomes for all interventions for smoking cessation in pregnancy showed no clear difference in mean birthweight (g) compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).

1 finding from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
MD 55.6
26 studies · 11338 participants
High

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Stillbirth · Pregnant women who smoke

Outcomes for all interventions for smoking cessation in pregnancy showed no clear difference in stillbirths compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).

1 finding from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
RR 1.2 [0.76, 1.9]
8 studies · 6170 participants
High

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Admission to NICU (primary outcome)№ of participants: 204(1 RCT) · Pregnant women who smoke

Outcomes for all interventions for smoking cessation in pregnancy leads to lower NICU admissions compared with control: subgrouped by main intervention strategy (comparison 20) (high certainty).

1 finding from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
RR 0.78 [0.61, 0.98]
8 studies · 2100 participants
High

Outcomes for all interventions for smoking cessation in pregnancy vs control: subgrouped by main intervention strategy (comparison 20)

Adverse events and psychological impact · Pregnant women who smoke

1 finding from 1 review

Psychosocial interventions for supporting women to stop smoking in pregnancy 2017 · Cochrane Headline outcomes only
no estimate extracted
13 studies · 13 participants
High