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NAQC Newsroom: Research

Engagement and Abstinence Among Users of a Smoking Cessation Text Message Program for Veterans.

Thursday, July 14, 2016  
Posted by: Natalia Gromov
Christofferson DE, Hertzberg JS, Beckham JC, Dennis PA, Hamlett-Berry K.
Engagement and Abstinence Among Users of a Smoking Cessation Text Message Program for Veterans.
Addict Behav. 2016 Jun 11;62:47-53. doi: 10.1016/j.addbeh.2016.06.016. [Epub ahead of print]
Smokefree VET is a text messaging smoking cessation program available to veterans enrolled in the Veterans Health Administration. Smokefree VET was developed in collaboration with the National Cancer Institute as part of the Smokefree TXT initiative. To evaluate the real world use of and effectiveness of the Smokefree VET program for Smokefree VET users who enrolled between 2013 and 2014.

Demographics and smoking behavior of 1470 Smokefree VET users who enrolled between 2013 and 2014 were analyzed. Latent growth mixture modeling was used to identify discrete classes of Smokefree VET users based on engagement patterns. Multi-level modeling determined class differences in abstinence. The average age of the Smokefree VET user was 48, 75% of users were male, and 84% were daily smokers. After five weeks, 13% of all users reported abstinence from smoking. Five statistically distinct engagement classes of Smokefree VET users were identified. Highly engaged classes were significantly less likely to opt-out and more likely to report abstinence. Over 60% of users who were classified as high engagers throughout the program reported abstinence 5 weeks after their quit date. Users were more likely to report abstinence after two weeks if they used smoking cessation medication than those that did not use medication (OR=9.01, p<0.001). Smokefree VET may be effective at supporting abstinence among a real world group of highly engaged users. Smoking cessation medication use was also associated with abstinence in Smokefree VET users. Engagement appears to be a critical component when assessing the efficacy of a text messaging smoking cessation intervention.

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