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Article

Large multi-centre pilot randomized controlled trial testing a low-cost, tailored, self-help smoking cessation text message intervention for pregnant smokers (MiQuit)

Details

Citation

Naughton F, Cooper S, Foster K, Emery J, Leonardi-Bee J, Sutton S, Jones M, Ussher M, Whitemore R, Leighton M, Montgomery A, Parrott S & Coleman T (2017) Large multi-centre pilot randomized controlled trial testing a low-cost, tailored, self-help smoking cessation text message intervention for pregnant smokers (MiQuit). Addiction, 112 (7), pp. 1238-1249. https://doi.org/10.1111/add.13802

Abstract
Aims:  To estimate the effectiveness of pregnancy smoking cessation support delivered by short message service (SMS) text message and key parameters needed to plan a definitive trial.  Design:  Multi-centre, parallel-group, single-blinded, individual randomized controlled trial.  Setting:  Sixteen antenatal clinics in England.  Participants:  Four hundred and seven participants were randomized to the intervention (n = 203) or usual care (n = 204). Eligible women were < 25 weeks gestation, smoked at least one daily cigarette (> 5 pre-pregnancy), were able to receive and understand English SMS texts and were not already using text-based cessation support.  Intervention:  All participants received a smoking cessation leaflet; intervention participants also received a 12-week programme of individually tailored, automated, interactive, self-help smoking cessation text messages (MiQuit).  Outcome measurements:  Seven smoking outcomes, including validated continuous abstinence from 4 weeks post-randomization until 36 weeks gestation, design parameters for a future trial and cost-per-quitter. Findings:  Using the validated, continuous abstinence outcome, 5.4% (11 of 203) of MiQuit participants were abstinent versus 2.0% (four of 204) of usual care participants [odds ratio (OR) = 2.7, 95% confidence interval (CI) = 0.93–9.35]. The Bayes factor for this outcome was 2.23. Completeness of follow-up at 36 weeks gestation was similar in both groups; provision of self-report smoking data was 64% (MiQuit) and 65% (usual care) and abstinence validation rates were 56% (MiQuit) and 61% (usual care). The incremental cost-per-quitter was £133.53 (95% CI = –£395.78 to 843.62).  Conclusions:  There was some evidence, although not conclusive, that a text-messaging programme may increase cessation rates in pregnant smokers when provided alongside routine NHS cessation care.

Keywords
mHealth; pregnancy; randomized controlled trial; self-help; smoking cessation; SMS text messaging;

Journal
Addiction: Volume 112, Issue 7

StatusPublished
Publication date31/07/2017
Publication date online26/02/2017
Date accepted by journal22/02/2017
URL
PublisherWiley-Blackwell
ISSN0965-2140
eISSN1360-0443

People (1)

Professor Michael Ussher

Professor Michael Ussher

Professor of Behavioural Medicine, Institute for Social Marketing

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