Daily associations between cannabis use and alcohol use in young adults: The moderating role of self-report and behavioral measures of impulsivity

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dc.contributor.authorDaros, Alexander R.
dc.contributor.authorPereira, Brian J.
dc.contributor.authorKhan, Dinat
dc.contributor.authorRuocco, Anthony C.
dc.contributor.authorQuilty, Lena C.
dc.contributor.authorWardell, Jeffrey D.
dc.date.accessioned2022-02-19T20:30:24Z
dc.date.available2022-02-19T20:30:24Z
dc.date.issued2021-07-09
dc.description.abstractAlthough impulsivity has been implicated in cannabis and alcohol use, its role in alcohol and cannabis co-use behavior use requires further study. We examined the moderating role of self-report and behavioral measures of impulsivity in the daily-level relationships between cannabis use and both (a) likelihood of same-day alcohol use and (b) number of drinks consumed on the same day. Young adults (N=153) completed a 90-day Timeline Follow Back assessing the amount of cannabis smoked (in grams), other forms of cannabis (e.g., oils, edibles), and number of standard drinks consumed each day. Participants also completed a structured interview of Alcohol and Cannabis Use Disorders (AUD/CUD), and both self-report (UPPS impulsivity scales) and behavioral (behavioral disinhibition and delay discounting) measures of impulsivity. Zero-inflated multilevel modelling revealed that negative urgency, delay discounting, and disinhibition were significant, unique moderators of the daily relationship between cannabis and alcohol consumption, after controlling for AUD/CUD symptoms and other covariates. Specifically, individuals high (but not low) on negative urgency and delay discounting showed a positive association between grams of cannabis used on a given day and same-day number of standard drinks consumed. Contrary to expectations, individuals low on negative urgency and low in disinhibition showed a stronger relationship between grams of cannabis consumed and odds of engaging in any drinking on the same day. Results extend research on moderators of within-person, daily-level associations between cannabis and alcohol use, suggesting that several impulsivity-related constructs may contribute to complementary use of cannabis and alcohol among young adults.en_US
dc.description.sponsorshipThis research was supported by the Caskey/Francis Family Award in Clinical Research awarded by the Centre for Addiction and Mental Health Foundation (PIs: Jeffrey D. Wardell & Christian S. Hendershot) and by a grant from the Canadian Institutes for Health Research (Award Number: PJT-159754; PIs: Jeffrey D. Wardell & Christian S. Hendershot).en_US
dc.identifier.citationDaros, A.R., Pereira, B.J., Khan, D., Ruocco, A.C., Quilty, L.C., & Wardell, J.D. (2021). Daily associations between cannabis use and alcohol use in young adults: The moderating role of self-report and behavioral measures of impulsivity. Addiction Research & Theory. doi: 10.1080/16066359.2021.1939314en_US
dc.identifier.urihttps://doi.org/10.1080/16066359.2021.1939314en_US
dc.identifier.urihttp://hdl.handle.net/10315/39014
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.rightsThis is an Accepted Manuscript of an article published by Taylor & Francis in Addiction Research and Theory on July 9, 2021, available online: http://www.tandfonline.com/10.1080/16066359.2021.1939314 It is deposited under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited.en_US
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.articlehttp://www.tandfonline.com/10.1080/16066359.2021.1939314en_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectmarijuanaen_US
dc.subjectalcoholen_US
dc.subjectco-useen_US
dc.subjectinhibitory controlen_US
dc.subjectdelay discountingen_US
dc.subjectnegative urgencyen_US
dc.titleDaily associations between cannabis use and alcohol use in young adults: The moderating role of self-report and behavioral measures of impulsivityen_US
dc.typeArticleen_US

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