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Randomized Controlled Trial
. 2012 Mar;14(3):351-60.
doi: 10.1093/ntr/ntr221. Epub 2011 Dec 9.

A randomized trial of computer-delivered brief intervention and low-intensity contingency management for smoking during pregnancy

Steven J Ondersma  1 , Dace S Svikis, Phebe K Lam, Veronica S Connors-Burge, David M Ledgerwood, John A Hopper
Affiliations
Randomized Controlled Trial

A randomized trial of computer-delivered brief intervention and low-intensity contingency management for smoking during pregnancy

Steven J Ondersma et al. Nicotine Tob Res. 2012 Mar.

Abstract

Introduction: Implementation of evidence-based interventions for smoking during pregnancy is challenging. We developed 2 highly replicable interventions for smoking during pregnancy: (a) a computer-delivered 5As-based brief intervention (CD-5As) and (b) a computer-assisted, simplified, and low-intensity contingency management (CM-Lite).

Methods: A sample of 110 primarily Black pregnant women reporting smoking in the past week were recruited from prenatal care clinics and randomly assigned to CD-5As (n = 26), CM-Lite (n = 28), CD-5As plus CM-Lite (n = 30), or treatment as usual (n = 26). Self-report of smoking, urine cotinine, and breath CO were measured 10 weeks following randomization.

Results: Participants rated both interventions highly (e.g., 87.5% of CD-5As participants reported increases in likelihood of quitting), but most CM-Lite participants did not initiate reinforcement sessions and did not show increased abstinence. CD-5As led to increased abstinence as measured by cotinine (43.5% cotinine negative vs. 17.4%; odds ratio [OR] = 10.1, p = .02) but not for CO-confirmed 7-day point prevalence (30.4% abstinent vs. 8.7%; OR = 5.7, p = .06). Collapsing across CM-Lite status, participants receiving the CD-5As intervention were more likely to talk to a doctor or nurse about their smoking (60.5% vs. 30.8%; OR = 3.0, p = .02).

Conclusions: Low-intensity participant-initiated CM did not affect smoking in this sample, but the CD-5As intervention was successful in increasing abstinence during pregnancy. Further research should seek to replicate these results in larger and more diverse samples. Should CD-5As continue to prove efficacious, it could greatly increase the proportion of pregnant smokers who receive an evidence-based brief intervention.

Trial registration: ClinicalTrials.gov NCT01028131.

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Figures

Figure 1.
Figure 1.
Participant flow.
See this image and copyright information in PMC

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