Journal
TOBACCO CONTROL
Volume -, Issue -, Pages -Publisher
BMJ PUBLISHING GROUP
DOI: 10.1136/tobaccocontrol-2022-057266
Keywords
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Funding
- National Health and Medical Research Council (NHMRC) Investigator Grant [GNT1176137]
- NHMRC Centre of Research Excellence Grant
- NHMRC postgraduate scholarship [GNT2005317]
- Department of Health, Australia
- University of Queensland
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MTEP use patterns among US youth changed between 2014 and 2020, with an increase in regular e-cigarette use and a decrease in overall MTEP use. Factors associated with greater odds of MTEP use included being male, in high school, non-heterosexual, living with someone who uses tobacco at home, having cognitive difficulties, having lower perceptions of tobacco's danger, and exposure to tobacco marketing.
Background Multiple tobacco and e-cigarette product (MTEP) use, the concurrent use of two or more different types of tobacco and/or e-cigarettes products, is common among young people in the US. Changes in patterns of MTEP use among US youth between 2014 and 2020 were identified and the determinants of MTEP use were examined. Methods Four years of repeated cross-sectional data from the US National Youth Tobacco Survey of middle and high school students from grade 6 to 12 (N-total =77 402). Multigroup latent class analysis (LCA) was applied to the data series to allow for simultaneous identification of MTEP use patterns between 2014 and 2020. Logistic regression was used to predict class membership on demographic and tobacco-related variables. Findings Over the 7-year period, LCA identified three patterns: minimal/non-users (MNU: similar to 89.8%), mostly occasional e-cigarette and cigarette users (MOEC: similar to 9%) and polytobacco users (POLY: similar to 1.2%). From 2014 to 2020, MNU increased from 86.4% to 92% (p<0.05), while MOEC and POLY decreased from 11.2% to 7.9% and from 2.4% to 0.1%, respectively. The probability of regular e-cigarette use increased from 0 to 2.3% among MNU, 6% to 31.9% among MOEC and 29.6% to 67.6% among POLY (p<0.05). In binomial logistic regression, being male, in high school, non-heterosexual, living with someone who uses tobacco at home, having cognitive difficulties, having lower perceptions of tobacco's danger and exposure to tobacco marketing were associated with greater odds of MOEC and POLY than MNU. Conclusions There was an increase in regular e-cigarette use in all three classes, but a corresponding decrease in the proportion of MTEP use. Public health interventions to discourage uptake of e-cigarettes, such as tighter restrictions on marketing to minors, are warranted and there is a need to consider disparities in the determinants of MTEP use.
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