Six-month and one-year effects of Project EX-4: A classroom-based smoking prevention and cessation intervention program

Abstract Objective This study evaluated the efficacy of a version of Project EX that was adapted for implementation in the classroom context (Project EX-4). This paper reports the program outcomes based on pretest, six-month, and one-year follow-up surveys. Methods An 8 session classroom-based curri...

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Bibliographic Details
Published in:Addictive behaviors 2007-12, Vol.32 (12), p.3005-3014
Main Authors: Sussman, Steve, Miyano, James, Rohrbach, Louise Ann, Dent, Clyde W, Sun, Ping
Format: Article
Language:English
Subjects:
Adolescent
Adolescent Behavior - psychology
Adult
Cessation
Clinical trials
Female
Follow-Up Studies
Health Knowledge, Attitudes, Practice
Humans
Male
Motivation
Prevention
Program Evaluation
Psychiatry
Schools
Secondary school students
Smoking - psychology
Smoking cessation
Smoking Cessation - methods
Smoking Cessation - psychology
Smoking Prevention
Students - psychology
Studies
Teen smoking
Time Factors
Treatment Outcome
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Summary:Abstract Objective This study evaluated the efficacy of a version of Project EX that was adapted for implementation in the classroom context (Project EX-4). This paper reports the program outcomes based on pretest, six-month, and one-year follow-up surveys. Methods An 8 session classroom-based curriculum was tested with a clustered randomized controlled trial that involved a total of 1097 students in 6 program and 6 control alternative high schools. Weekly and monthly smoking was assessed at the three time points. Outcome effects were analyzed with multi-level random coefficients models. Results Students in the program condition experienced a greater reduction in weekly smoking and monthly smoking, at 6-and-12-month follow-ups. The net change varied between − 5.1% and − 7.6%, comparing the program condition to the control condition. Conclusions The implementation of Project EX in a classroom setting produced decreases in smoking among students in the program, relative to those in the standard care control condition. It is likely that a classroom-based smoking prevention/cessation program can lead to lower overall smoking prevalence than a cessation program that is implemented in a school-based smoking cessation clinic format.
ISSN:0306-4603
1873-6327
DOI:10.1016/j.addbeh.2007.06.016