The comparative effectiveness of two brief tobacco interventions in the U.S. Air Force: Perceived harm and intentions-to-use of tobacco products
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Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, United States
Center for Addiction and Prevention Research, Department of Public Health Sciences, University of Virginia, Charlottesville, United States
Organizational Wellness and Learning Systems, Fort Worth, United States
School of Public Health, Georgia State University, Atlanta, United States
Publish date: 2018-06-01
Tob. Induc. Dis. 2018;16(June):26
Brief health prevention programs have been shown efficacious in prevention of tobacco use initiation and re-initiation in the US Air Force. In this manuscript we apply a comparative effectiveness assessment of two published studies, based on testing the equality of effect sizes for perceived harm and intentions-to-use for five tobacco products.

We calculate and compare the effect sizes from the brief tobacco intervention (BTI) study (N=1055) with those of the anti-tobacco media campaign (MEDIA) study (N=665), for perceived harm and intentions-to-use of cigarettes, smokeless tobacco, cigarillos, e-cigarettes and hookah, among Airmen in the US Air Force Technical Training. Univariate and multivariate parametric and non-parametric methods and models were applied to compare the outcomes between the interventions. In addition, we calculate and report the cost of each intervention per Airman.

Effect sizes for perceived harm were 0.24–0.99 for BTI and 0.17–0.33 for MEDIA, while intentions-to-use effect sizes were 0.14–0.34 for BTI and 0.01– 0.07 for MEDIA, depending on the product. BTI intervention effects sizes were significantly greater than MEDIA intervention for all products, mainly among past users, and for both perceived harm (all p<0.0001) and intentions-to-use (all p<0.01). Cost per Airmen was comparable between the two interventions, .90 for BTI and .52 for MEDIA.

Direct comparison suggests that BTI produced effect sizes of significantly higher magnitude in the desired direction for perceived harm and intentions-to-use, for five tobacco products most commonly used by the Airmen, and mainly among past users.

Zoran Bursac   
Department of Preventive Medicine, University of Tennessee Health Science Center, 66 N. Pauline, Suite 633 Memphis, TN 38105, United States
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