ArticleThe Journal of adolescent health : official publication of the Society for Adolescent Medicine2024
Interaction Between State-Level Cigarette Prices and County-Level Tobacco 21 Coverage on Cigarette Smoking Outcomes Among US Adolescents.
Article in The Journal of adolescent health : official publication of the Society for Adolescent Medicine, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Associations between county-level e-cigarette-inclusive Tobacco 21 law population coverage and e-cigarette use behaviors among United States adolescents in Monitoring the Future.Addiction (Abingdon, England) · 2026Article
- Associations Between County-Level Vape-Free Air Law Coverage and E-Cigarette Use Behaviors Among U.S. Adolescents in Monitoring the Future.The Journal of adolescent health : official publication of the Society for Adolescent Medicine · 2026Article
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Authors and funding
10 authors.
Funding
Abstract
purposeTo examine whether Tobacco 21 (T21) law coverage moderated associations between cigarette prices and adolescent smoking and associated disparities.
methodsWe used nationally representative, repeated cross-sectional 2014-2020 Monitoring the Future study data (n = 20,547-96,083) to examine associations between state-level average cigarette price per pack and county-level T21 coverage (100% vs. < 100%) on past 30-day smoking participation, first and daily cigarette smoking initiation, and smoking intentions in US adolescents in eighth, 10th, and 12th grade. We implemented weighted, grade-stratified, modified Poisson regression models to test for interactions between price and T21 coverage for each outcome. We also tested for disparities by sex, race and ethnicity, parental education, and college educational expectations.
resultsHigher cigarette prices were associated with a lower probability of past 30-day smoking participation among eighth graders in counties with < 100% T21 coverage (average marginal effect = -0.003, 95% confidence interval = -0.006, 0.000) but not among eighth graders in counties with 100% T21 coverage (average marginal effect = 0.001, 95% confidence interval = -0.001, 0.004) (p for interaction = 0.005). There were no associations with other smoking outcomes or grades or evidence of differential associations by sociodemographic factors. DISCUSSION: Our findings suggested that higher cigarette prices were associated with lower adolescent smoking among eighth graders living in counties with < 100% T21 coverage. However, no such association was observed in other grades or smoking outcomes. Further investigation is necessary to determine the best combination of policies to reduce adolescent smoking, related sociodemographic disparities, and the use of other tobacco products in areas with fewer tobacco control policies.
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