ArticleTobacco induced diseases2026
Preferences for tobacco control health education among Chinese university students: A discrete choice experiment embedded in a randomized controlled trial.
Article in Tobacco induced diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionTobacco use prevention among university students requires evidence on which educational program features students prefer. This study used a discrete choice experiment (DCE) embedded in a randomized controlled trial (RCT) to quantify Chinese never-tobacco-using university students' preferences for attributes of a tobacco control health education program.
methodsA DCE with six two-level attributes (organizer, content format, organization mode, frequency, educational content, delivery location) was administered to 260 never-tobacco-using university students enrolled in a Protection Motivation Theory (PMT)-based RCT. Seven choice sets, each containing two unlabeled alternatives, were presented via an online survey platform. Conditional logit models with cluster-robust standard errors estimated attribute preferences; Wald interaction tests assessed preference heterogeneity by trial arm, sex, parental smoking, and peer smoking.
resultsOf the 260 respondents, 192 (73.8%) were female, and 243 (93.5%) were undergraduates. Students significantly preferred video-based content (β= -0.1899; 95% CI: -0.2723 - -0.1074), online delivery (β= -0.1698; 95% CI: -0.2525 - -0.0872), and comprehensive cigarette-plus-e-cigarette content (β= -0.1320, 95% CI: -0.2147 - -0.0493). Content format (32.0%), delivery location (28.6%), and educational content (22.2%) together accounted for 82.8% of relative attribute importance. DCE preferences did not differ between trial arms (all Wald interaction p>0.33). A significant sex × delivery location interaction was observed (p=0.019).
conclusionsChinese never-tobacco-using university students prefer video-based, online, comprehensive tobacco and e-cigarette education. These demand-side preferences may inform the design of future campus-based prevention programs. The absence of trial arm differences supports the validity of the embedded DCE-RCT design. CLINICAL
trial registrationThe study is registered on the official website of Chinese Clinical Trial Registry. IDENTIFIER: ChiCTR2300068240.
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