Dual use of alcohol and marijuana and condomless sex in young adult men and women: A within‐subject day‐level analysis

Hayaki, Jumi; Anderson, Bradley J.; Stein, Michael D.

doi:10.1111/ajad.12738

Cited by 8 publications

(5 citation statements)

References 25 publications

(50 reference statements)

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“…Similar to evidence that the effects of substance use on sexual behavior are potentiated when alcohol and cannabis are combined, [2][3][4] we found that combined use of these substances was associated with lower levels of internal consent feelings. Specifically, people felt relatively less safe/comfortable when both alcohol and cannabis were involved; they also rated these sexual events as less consensual.…”

Section: Discussionsupporting

confidence: 83%

“…Based on the potentiating effects of combined use of alcohol and cannabis on subjective intoxication ratings 29 and on other aspects of sexual behavior, [2][3][4] we expected people's sexual consent during sexual events with combined use to differ from events that involved only one of these substances or neither. However, given the mixed and limited findings across studies on substance use and sexual consent, we approached these preliminary data in an exploratory manner and did not make directional hypotheses.…”

Section: Present Studymentioning

confidence: 99%

“…3 Participants who reported at least one cannabis-involved sexual event but no alcohol-involved sexual activity. 4 Participants who reported at least one alcohol-involved sexual event and at least one cannabis-involved sexual event. Note.…”

Section: Conflicts Of Interestmentioning

confidence: 99%

“…Compared with no substance use and alcohol or cannabis use alone, combined use is associated with greater odds of casual sex, 2 multiple sexual partners, 3 and condomless sex. 4 However, no researchers to our knowledge have assessed event-level effects of combined use of alcohol and cannabis on sexual consent-a construct for which substance use is highly relevant. Therefore, we examined whether internal and external sexual consent differed for sexual events that involved alcohol, cannabis, or both compared with those that involved neither substance.…”

Section: Introductionmentioning

confidence: 99%

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Internal and external sexual consent during events that involved alcohol, cannabis, or both

Willis

Marcantonio

2021

Sex. Health

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Background Substance-involved sexual activity is common. Even though people recognise that substance-related impairment can be a barrier to people’s ability to consent to sexual activity, most do not believe that substance use automatically negates sexual consent. We extended previous work on substance-related effects on internal and external consent by investigating sexual events that involved alcohol, cannabis, or both. Methods: For 28 days, 113 participants (MAge = 29.2 years, 57.5% women, 70.8% White) responded to three surveys per day on their personal devices. At time points when participants reported having engaged in partnered sexual activity, they were asked to report their alcohol use, cannabis use, internal consent feelings, and external consent communication. Results: Across 1189 partnered sexual events, 31.5% involved alcohol, cannabis, or both. Sexual events that involved combined use were associated with diminished feelings of safety/comfort and feelings that the sexual act was consensual, compared with events that involved neither substance. Greater levels of alcohol consumption were descriptively associated with lower ratings of internal sexual consent. Conclusions: We found that combined use of alcohol and cannabis may lead to lower internal sexual consent than using either substance alone – potentially due to greater levels of impairment associated with polysubstance use. Sexual health education programs should consider more nuanced approaches to teaching people how to navigate substance use and sexual consent.

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Section: Discussionsupporting

confidence: 83%

Section: Present Studymentioning

confidence: 99%

Section: Conflicts Of Interestmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Internal and external sexual consent during events that involved alcohol, cannabis, or both

Willis

Marcantonio

2021

Sex. Health

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“…When combined with alcohol’s potential side effect of blackouts (Wetherill & Fromme, 2016), marijuana use may result in greater levels of cognitive impairment, putting individuals at increased risk for making more impulsive decisions. For example, studies using timeline follow-back (Hayaki, Anderson, & Stein, 2018; Metrik, Caswell, Magill, Monti, & Kahler, 2016), event-based (Egan et al, 2019), and daily diary (Parks, Collins, & Derrick, 2012) designs show that using both alcohol and marijuana on the same day synergistically increases the likelihood of unprotected sex on that day among young adults. Importantly, a study by Metrik and colleagues (2016) found this was true for heavy (5+/4+ drinks per occasion) but not moderate drinking.…”

Section: Sam Use and Adverse Outcomesmentioning

confidence: 99%

Consequences of alcohol and marijuana use among college students: Prevalence rates and attributions to substance-specific versus simultaneous use.

Jackson¹,

Sokolovsky²,

Gunn³

et al. 2020

Psychology of Addictive Behaviors

107

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College students who use alcohol and marijuana often use them simultaneously, so that their effects overlap. The present study examined whether negative consequences experienced by simultaneous alcohol and marijuana (SAM) users vary from those experienced by individuals who use alcohol and marijuana concurrently but not simultaneously (CAM) or single-substance users. We considered 9 types of consequences: cognitive, blackout, vomiting, academic/occupational, social, self-care, physical dependence, risky behaviors, and driving under the influence (DUI). Further, we examined whether consequences experienced by SAM users are attributed to using alcohol, marijuana, or both simultaneously. The sample included past-year alcohol and marijuana users age 18–24 (N = 1,390; 62% female; 69% White; 12% Hispanic) recruited from 3 U.S. college campuses. SAM users experienced a greater overall number of consequences than CAM or alcohol-only users, even controlling for frequency and intensity of alcohol and marijuana use and potentially confounding psychosocial and sociodemographic factors. Experiencing specific consequences differed between simultaneous and concurrent users, but after adjusting for consumption and other covariates, only blackouts differed. In contrast, SAM users were more likely to experience each consequence than alcohol-only users, with strongest effects for DUI, blackouts, and cognitive consequences. Among SAM users, consequences were most likely to be attributed to alcohol and were rarely attributed to simultaneous use. Being a user of both alcohol and marijuana and using alcohol and marijuana together so that their effects overlap each contribute to risk, suggesting there is value in targeting the mechanisms underlying type of user as well as those underlying type of use.

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Sex and Gender Differences in Simultaneous Alcohol and Cannabis Use: a Narrative Review

Tomko,

Gex,

Davis

et al. 2023

Curr Addict Rep

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Dual use of alcohol and marijuana and condomless sex in young adult men and women: A within‐subject day‐level analysis

Abstract: Young women may be especially susceptible to the influence of alcohol and/or marijuana use on sexual behavior. (Am J Addict 2018;XX:1-6).

Cited by 8 publications

References 25 publications

Internal and external sexual consent during events that involved alcohol, cannabis, or both

Internal and external sexual consent during events that involved alcohol, cannabis, or both

Consequences of alcohol and marijuana use among college students: Prevalence rates and attributions to substance-specific versus simultaneous use.

Sex and Gender Differences in Simultaneous Alcohol and Cannabis Use: a Narrative Review

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