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Financial incentives for smoking cessation in pregnancy: randomised controlled trial

Tappin, David; Bauld, Linda; Purves, David; Boyd, Kathleen; Sinclair, Lesley; MacAskill, Susan; McKell, Jennifer; Friel, Brenda; McConnachie, Alex; Caestecker, Linda de; Tannahill, Carol; Radley, Andrew; Coleman, Tim

Authors

David Tappin

Linda Bauld linda.bauld@stir.ac.uk

David Purves

Kathleen Boyd

Lesley Sinclair

Susan MacAskill

Jennifer McKell

Brenda Friel

Alex McConnachie

Linda de Caestecker

Carol Tannahill

Andrew Radley

TIM COLEMAN tim.coleman@nottingham.ac.uk
Professor of Primary Care



Abstract

Objective: To assess the efficacy of a financial incentive added to routine specialist pregnancy stop smoking services versus routine care to help pregnant smokers quit.

Design: Phase II therapeutic exploratory single centre, individually randomised controlled parallel group superiority trial.

Setting: One large health board area with a materially deprived, inner city population in the west of Scotland, United Kingdom.

Participants: 612 self reported pregnant smokers in NHS Greater Glasgow and Clyde who were English speaking, at least 16 years of age, less than 24 weeks pregnant, and had an exhaled carbon monoxide breath test result of 7 ppm or more. 306 women were randomised to incentives and 306 to control.

Interventions: The control group received routine care, which was the offer of a face to face appointment to discuss smoking and cessation and, for those who attended and set a quit date, the offer of free nicotine replacement therapy for 10 weeks provided by pharmacy services, and four, weekly support phone calls. The intervention group received routine care plus the offer of up to £400 of shopping vouchers: £50 for attending a face to face appointment and setting a quit date; then another £50 if at four weeks’ post-quit date exhaled carbon monoxide confirmed quitting; a further £100 was provided for continued validated abstinence of exhaled carbon monoxide after 12 weeks; a final £200 voucher was provided for validated abstinence of exhaled carbon monoxide at 34-38 weeks’ gestation.

Main outcome measure: The primary outcome was cotinine verified cessation at 34-38 weeks’ gestation through saliva (

Journal Article Type Article
Publication Date Jan 27, 2015
Journal BMJ
Print ISSN 0959-8138
Electronic ISSN 1756-1833
Publisher BMJ Publishing Group
Peer Reviewed Peer Reviewed
Volume 350
Article Number h134
APA6 Citation Tappin, D., Bauld, L., Purves, D., Boyd, K., Sinclair, L., MacAskill, S., …Coleman, T. (2015). Financial incentives for smoking cessation in pregnancy: randomised controlled trial. BMJ, 350, https://doi.org/10.1136/bmj.h134
DOI https://doi.org/10.1136/bmj.h134
Keywords Financial incentives; Smoking cessation; Pregnancy; Randomised controlled trial
Publisher URL http://www.bmj.com/content/350/bmj.h134
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc/4.0





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