Journal
ADDICTIVE BEHAVIORS
Volume 132, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.addbeh.2022.107349
Keywords
Marijuana; Smoking; Vaping; Polysubstance use
Categories
Funding
- Centers for Disease Control and Prevention (CDC)
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This study found that among adults who co-use THC and nicotine-containing electronic vaping products, a high percentage also reported smoking marijuana and cigarettes. The findings highlight the need for further investigation into the health effects of co-use of tobacco and THC-containing products, and suggest the importance of continued surveillance on polysubstance EVP and multi-modal marijuana and tobacco use trends. Monitoring various modes of marijuana and tobacco use may help inform policies, prevention education, communication, and cessation tools.
Introduction: Co-use of marijuana and tobacco/nicotine have unknown impacts on addiction and health. There are limited data on the extent to which adults are co-using tetrahydrocannabinol (THC)- and nicotine-containing products, in any of their various modes. This study describes adult use of THC- and nicotine-containing products among electronic vaping product (EVP) users. Methods: Data on marijuana and tobacco use were collected from February 25-29, 2020 through an online survey of adults aged >= 18 years who reported using THC- and nicotine-containing electronic vaping products (EVPs) in the past 3 months (n = 3,980). Survey respondents from 18 states participated in the U.S. YouGov panel, a proprietary opt-in internet panel survey of 1.8 million U.S. residents. Results: Among those who reported using nicotine and THC-containing EVPs in the past 3 months, 90.1% of respondents reported smoking marijuana in the past 3 months; 82.7% reported smoking as the most frequent mode of marijuana use. Almost 63% of EVP users reported smoking cigarettes; 55.6% reported smoking for over 8 years, while 7.7% had been smoking cigarettes for under a year. Conclusions: In this study, respondents reported cigarette smoking and marijuana smoking in addition to using marijuana- and nicotine- containing EVPs. Considering the unknown health effects of co-use of tobacco and THCcontaining products, the finding that adults are vaping THC and nicotine alongside traditional modes of marijuana and tobacco use of these substances warrants further investigation. Implications: Findings from this study provide evidence that adults who use nicotine and THC EVPs are also using a variety of other THC-containing and tobacco-containing products. This indicates the importance of continued surveillance to assess trends of polysubstance EVP and multi-modal marijuana and tobacco use. Monitoring various modes of marijuana and tobacco use may inform policies, prevention education, communication, and cessation tools.
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