Profile of Adults Who Use Both Marijuana and E-Cigarettes in Utah
Adults who used both marijuana and vaping products were far more likely to be young, male, report poor mental health, and have respiratory conditions compared to single- or non-users.
Quick Facts
What This Study Found
Dual users of marijuana and e-cigarettes had dramatically higher odds of being aged 18-29 (aOR 12.44), being male (aOR 3.29), reporting 14+ days of poor mental health (aOR 2.30), having asthma (aOR 2.09), COPD (aOR 2.94), currently smoking cigarettes (aOR 4.56), and using prescribed pain medications (aOR 2.13).
Key Numbers
n=10,380; dual users aOR 12.44 for age 18-29; aOR 3.29 for male; aOR 2.30 for poor mental health; aOR 2.09 for asthma; aOR 2.94 for COPD; aOR 4.56 for current cigarette smoking
How They Did This
Cross-sectional analysis of the 2018 Utah Behavioral Risk Factor Surveillance System (n=10,380) using multivariable logistic regression comparing dual users to a reference group of single- or non-users.
Why This Research Matters
Understanding who uses both marijuana and vaping products helps identify populations that may face compounded health risks from multiple inhalant substances.
The Bigger Picture
Dual use of marijuana and vaping products represents a growing pattern, particularly among young adults. The clustering of respiratory conditions and poor mental health in this group suggests compounding vulnerabilities.
What This Study Doesn't Tell Us
Cross-sectional design cannot determine direction of associations. Utah population may differ from national patterns. Self-reported data subject to social desirability bias.
Questions This Raises
- ?Does dual use worsen respiratory outcomes beyond either substance alone?
- ?Are mental health conditions driving dual use, or does dual use contribute to poorer mental health?
Trust & Context
- Key Stat:
- aOR 12.44 for age 18-29 among dual users
- Evidence Grade:
- Representative population survey with robust multivariable analysis, but cross-sectional design limits causal interpretation.
- Study Age:
- Published in 2022
- Original Title:
- Characteristics of Adults Who Use Both Marijuana and E-Cigarette, or Vaping, Products: A Cross-Sectional Study, Utah, 2018.
- Published In:
- Public health reports (Washington, D.C. : 1974), 137(4), 695-701 (2022)
- Authors:
- Lewis, Nathaniel M, Friedrichs, Michael, Wagstaff, Shelly S, Nakashima, Allyn K, Dunn, Angela C
- Database ID:
- RTHC-04002
Evidence Hierarchy
A snapshot of a population at one point in time.
What do these levels mean? →Frequently Asked Questions
Who is most likely to use both marijuana and vaping products?
Young adults aged 18-29 were 12 times more likely to be dual users. Males, current cigarette smokers, people with respiratory conditions, and those with poor mental health were also overrepresented.
Is dual use of marijuana and e-cigarettes common?
The study identified dual users as a distinct risk group within a representative Utah adult population, characterized by younger age, male sex, and multiple health comorbidities.
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Cite This Study
https://rethinkthc.com/research/RTHC-04002APA
Lewis, Nathaniel M; Friedrichs, Michael; Wagstaff, Shelly S; Nakashima, Allyn K; Dunn, Angela C. (2022). Characteristics of Adults Who Use Both Marijuana and E-Cigarette, or Vaping, Products: A Cross-Sectional Study, Utah, 2018.. Public health reports (Washington, D.C. : 1974), 137(4), 695-701. https://doi.org/10.1177/00333549211018679
MLA
Lewis, Nathaniel M, et al. "Characteristics of Adults Who Use Both Marijuana and E-Cigarette, or Vaping, Products: A Cross-Sectional Study, Utah, 2018.." Public health reports (Washington, 2022. https://doi.org/10.1177/00333549211018679
RethinkTHC
RethinkTHC Research Database. "Characteristics of Adults Who Use Both Marijuana and E-Cigar..." RTHC-04002. Retrieved from https://rethinkthc.com/research/lewis-2022-characteristics-of-adults-who
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.