Trends in the co-occurrence of tobacco and cannabis use in 15-year-olds from 2002 to 2010 in 28 countries of Europe and North America

Anne Hublet*, Pernille Bendtsen, Margreet E. De Looze, Anastasios Fotiou, Peter Donnelly, Runar Vilhjalmsson, Tibor Baska, Katrin Aasvee, Iva P. Franelic, Saoirse Nic Gabhainn, Tom F.M. Ter Bogt

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

35 Citations (Scopus)

Abstract

Background: Cannabis and tobacco use frequently co-occur. Adolescents who consume both substances experience more respiratory distress and psychosocial problems and are less likely to stop compared with those who use either tobacco or cannabis alone. This study examined time trends in tobacco and cannabis use among 15-year-olds in Europe and North America between 2002 and 2010. Methods: Twenty-eight countries were included and merged into six regions based on their welfare systems. Adolescents (n = 142 796) were divided in four 'user groups': 'no-users', 'tobacco and cannabis users', 'tobacco-only users' and 'cannabis-only users'. Prevalence rates are reported by study-wave and region. Logistic regressions with study wave as independent variable were used to study trends in the user groups and regions. Interaction effects between time and gender were considered. Results: Overall, tobacco use, and concurrent tobacco and cannabis use decreased by 3 and 3.7%, respectively, but prevalence rates varied by region. Only in North America, an interaction effect between time and gender was found in tobacco and cannabis users. Conclusions: Although this study demonstrates a decrease in tobacco and cannabis use in most regions, it also shows that the use of both substances is related. Therefore, studying the co-occurring use of tobacco and cannabis is necessary.

Original languageEnglish
Pages (from-to)73-75
Number of pages3
JournalEuropean Journal of Public Health
Volume25
DOIs
Publication statusPublished - 1 Apr 2015

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