Jones, Matthew, Lewis, Sarah, Parrott, Steve orcid.org/0000-0002-0165-1150 et al. (2 more authors) (2016) Re-starting smoking in the postpartum period after receiving a smoking cessation intervention:a systematic review. Addiction. ISSN 1360-0443
Abstract
AIMS: In pregnant smoking cessation trial participants, to estimate (1) among women abstinent at the end of pregnancy, the proportion who re-start smoking at time-points afterwards (primary analysis) and (2) among all trial participants, the proportion smoking at the end of pregnancy and at selected time-points during the postpartum period (secondary analysis). METHODS: Trials identified from two Cochrane reviews plus searches of Medline and EMBASE. Twenty-seven trials were included. The included trials were randomized or quasi-randomized trials of within-pregnancy cessation interventions given to smokers who reported abstinence both at end of pregnancy and at one or more defined time-points after birth. Outcomes were validated biochemically and self-reported continuous abstinence from smoking and 7-day point prevalence abstinence. The primary random-effects meta-analysis used longitudinal data to estimate mean pooled proportions of re-starting smoking; a secondary analysis used cross-sectional data to estimate the mean proportions smoking at different postpartum time-points. Subgroup analyses were performed on biochemically validated abstinence. RESULTS: The pooled mean proportion re-starting at 6 months postpartum was 43% [95% confidence interval (CI) = 16-72%, I(2) = 96.7%] (11 trials, 571 abstinent women). The pooled mean proportion smoking at the end of pregnancy was 87% (95% CI = 84-90%, I(2) = 93.2%) and 94% (95% CI = 92-96%, I(2) = 88%) at 6 months postpartum (23 trials, 9262 trial participants). Findings were similar when using biochemically validated abstinence. CONCLUSIONS: In clinical trials of smoking cessation interventions during pregnancy only 13% are abstinent at term. Of these, 43% re-start by 6 months postpartum.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © 2016, The Authors. |
Dates: |
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Institution: | The University of York |
Academic Units: | The University of York > Faculty of Sciences (York) > Health Sciences (York) |
Depositing User: | Pure (York) |
Date Deposited: | 30 Mar 2016 15:09 |
Last Modified: | 22 Jan 2025 00:06 |
Published Version: | https://doi.org/10.1111/add.13309 |
Status: | Published |
Refereed: | Yes |
Identification Number: | 10.1111/add.13309 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:97415 |
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