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Large multi‐centre pilot randomized controlled trial testing a low‐cost, tailored, self‐help smoking cessation text message intervention for pregnant smokers (MiQuit)
Author(s) -
Naughton Felix,
Cooper Sue,
Foster Katharine,
Emery Joanne,
LeonardiBee Jo,
Sutton Stephen,
Jones Matthew,
Ussher Michael,
Whitemore Rachel,
Leighton Matthew,
Montgomery Alan,
Parrott Steve,
Coleman Tim
Publication year - 2017
Publication title -
addiction
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.424
H-Index - 193
eISSN - 1360-0443
pISSN - 0965-2140
DOI - 10.1111/add.13802
Subject(s) - medicine , smoking cessation , randomized controlled trial , abstinence , confidence interval , pregnancy , odds ratio , intervention (counseling) , gestation , physical therapy , psychiatry , pathology , biology , genetics
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.