Adolescent E-Cigarette, Hookah, and Conventional Cigarette Use and Subsequent Marijuana Use
Janet Audrain-McGovern1, Matthew D Stone2, Jessica Barrington-Trimis2
1Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; and audrain@pennmedicine.upenn.edu.
Pediatrics
|August 8, 2018
Summary
Adolescent use of e-cigarettes, hookah, or combustible cigarettes is linked to initiating and using marijuana. This association between tobacco and marijuana use spans multiple products in teens.
Area of Science:
- Adolescent Health
- Substance Use Research
- Tobacco Control
Background:
- Non-cigarette tobacco products may pose similar risks to combustible cigarettes regarding marijuana use.
- Understanding the relationship between various tobacco product use and adolescent marijuana initiation and use is crucial.
Purpose of the Study:
- To examine the association between adolescent electronic cigarette (e-cigarette), hookah, or combustible cigarette use and initiating marijuana use.
- To investigate the link between adolescent tobacco product use and current marijuana use (past 30 days).
- To assess the association between adolescent tobacco product use and concurrent use of tobacco and marijuana.
Main Methods:
- A cohort of 2668 adolescents from 10 Los Angeles public schools completed surveys at baseline (9th grade) and 24-month follow-up (11th grade).
- The study focused on adolescents who had never used marijuana at baseline.
- Associations were examined between baseline use of e-cigarettes, hookah, or combustible cigarettes and marijuana initiation, current marijuana use, and dual tobacco-marijuana use at follow-up.
Main Results:
- Baseline e-cigarette use was significantly associated with marijuana initiation (OR 3.63) and current use (OR 3.67) at follow-up.
- Hookah use at baseline was also linked to marijuana initiation (OR 3.55) and current use (OR 4.10).
- Combustible cigarette smoking showed similar associations with marijuana initiation (OR 4.30) and current use (OR 1.97). Current use of any tobacco product was associated with dual tobacco-marijuana use (OR 2.28).
Conclusions:
- The association between tobacco use and subsequent marijuana use during adolescence is not limited to combustible cigarettes.
- This relationship extends to other tobacco products, including e-cigarettes and hookah.
- Findings highlight the broad impact of various tobacco products on adolescent marijuana use patterns.
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