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The effectiveness of smoking cessation interventions for socio-economically disadvantaged women: A systematic review and meta-analysis

O'Connell, Nicola; Burke, Emma; Dobbie, Fiona; Dougall, Nadine; Mockler, David; Darker, Catherine; Vance, Joanne; Bernstein, Stephen; Gilbert, Hazel; Bauld, Linda; Hayes, Catherine

Authors

Nicola O'Connell

Emma Burke

Fiona Dobbie

David Mockler

Catherine Darker

Joanne Vance

Stephen Bernstein

Hazel Gilbert

Linda Bauld

Catherine Hayes



Abstract

Introduction
This systematic review and meta-analysis assessed the effectiveness of smoking cessation interventions among women smokers in low socio-economic status (SES) groups or women living in disadvantaged areas who are historically underserved by smoking cessation services.

Methods
A systematic literature search was conducted using MEDLINE (OVID), EMBASE, Cochrane, CINAHL, PsychINFO and Web of Science databases. Eligibility criteria included randomised controlled trials of any smoking cessation intervention among women in low SES groups or living in socio-economically disadvantaged areas. A random effects meta-analysis assessed effectiveness of interventions on smoking cessation. Risk of bias was assessed with the Cochrane Risk of Bias tool. The GRADE approach established certainty of evidence.

Results
A total of 396 studies were screened for eligibility and 11 (6153 female participants) were included. Seven studies targeted women-only. 5/11 tested a form of face-to-face support. A pooled effect size was estimated in 10/11 studies. At end of treatment, two-thirds more low SES women who received a smoking cessation intervention were more likely to stop smoking than women in control groups (risk ratio (RR) 1.68, 95% CI 1.36–2.08, I2= 34%). The effect was reduced but remained significant when longest available follow-up periods were pooled (RR 1.23, 95% CI 1.04–1.48, I2 = 0%). There was moderate-to-high risk of bias in most studies. Certainty of evidence was low.

Conclusions
Behavioural and behavioural + pharmacotherapy interventions for smoking cessation targeting women in low SES groups or women living in areas of disadvantage were effective in the short term. However, longer follow-up periods indicated reduced effectiveness. Future studies to explore ways to prevent smoking relapse in this population are needed.

Systematic review registration
PROSPERO: CRD42019130160

Journal Article Type Article
Acceptance Date Mar 6, 2022
Online Publication Date Jun 2, 2022
Publication Date 2022
Deposit Date Apr 11, 2022
Publicly Available Date Jun 3, 2022
Print ISSN 2046-4053
Publisher BMC
Peer Reviewed Peer Reviewed
Volume 11
Article Number 111
DOI https://doi.org/10.1186/s13643-022-01922-7
Keywords Health disparities, Tobacco control, Behavioural, Cessation, Meta-analysis, Gender
Public URL http://researchrepository.napier.ac.uk/Output/2863110

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