The role of alcohol and cannabis co-use in drinking rate and its impact on consequences
© 2022 Research Society on Alcoholism..
BACKGROUND: The impact of alcohol and cannabis co-use on college student drinking and related outcomes is complex. Specific characteristics or patterns of co-use events beyond drinking quantity may be important to the experience of consequences. The present study used repeated daily surveys to examine the association between co-use (versus use of alcohol only) and drinking rate on negative consequences.
METHODS: The sample included 318 college students (Mage = 19.8, 47% female, 76% non-Hispanic White) who were co-users of alcohol and cannabis, recruited from three U.S. college campuses. Participants completed 56 days of data collection (number of drinking days ranged from 1 to 38). Two measures of drinking rate were examined: (1) daily rate (number of drinks divided by number of hours spent drinking per day); and (2) peak hour rate (maximum number of drinks consumed in a single hour) to account for anomalous drinking days of long duration. Generalized linear mixed models examined: (1) associations of co-use with peak hour rate (model 1a) and daily rate (model 1b); (2) associations of peak hour rate (model 2a) and daily rate (model 2b) with experiencing any negative consequence; and (3) interactions of co-use with peak hour rate (model 3a) and daily rate (model 3b) on experiencing a consequence.
RESULTS: Co-use was positively associated with peak hour rate but not daily rate. Both peak hour and daily rate positively predicted likelihood of experiencing a negative consequence. The interaction of both peak hour and daily rate by co-use was significant such that the association of rate with experiencing a consequence was stronger on alcohol-only days compared to co-use days.
CONCLUSIONS: Daily drinking rate and peak hour drinking rate are unique and should be considered when discussing drinking patterns. Both predict negative consequences and may be important aspects of interventions for negative drinking-related outcomes among college students.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:46 |
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| Enthalten in: |
Alcoholism, clinical and experimental research - 46(2022), 11 vom: 06. Nov., Seite 2110-2120 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gunn, Rachel L [VerfasserIn] |
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| Links: |
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| Themen: |
3K9958V90M |
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| Anmerkungen: |
Date Completed 05.12.2022 Date Revised 01.03.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/acer.14946 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2022 Research Society on Alcoholism. | ||
| 520 | |a BACKGROUND: The impact of alcohol and cannabis co-use on college student drinking and related outcomes is complex. Specific characteristics or patterns of co-use events beyond drinking quantity may be important to the experience of consequences. The present study used repeated daily surveys to examine the association between co-use (versus use of alcohol only) and drinking rate on negative consequences | ||
| 520 | |a METHODS: The sample included 318 college students (Mage = 19.8, 47% female, 76% non-Hispanic White) who were co-users of alcohol and cannabis, recruited from three U.S. college campuses. Participants completed 56 days of data collection (number of drinking days ranged from 1 to 38). Two measures of drinking rate were examined: (1) daily rate (number of drinks divided by number of hours spent drinking per day); and (2) peak hour rate (maximum number of drinks consumed in a single hour) to account for anomalous drinking days of long duration. Generalized linear mixed models examined: (1) associations of co-use with peak hour rate (model 1a) and daily rate (model 1b); (2) associations of peak hour rate (model 2a) and daily rate (model 2b) with experiencing any negative consequence; and (3) interactions of co-use with peak hour rate (model 3a) and daily rate (model 3b) on experiencing a consequence | ||
| 520 | |a RESULTS: Co-use was positively associated with peak hour rate but not daily rate. Both peak hour and daily rate positively predicted likelihood of experiencing a negative consequence. The interaction of both peak hour and daily rate by co-use was significant such that the association of rate with experiencing a consequence was stronger on alcohol-only days compared to co-use days | ||
| 520 | |a CONCLUSIONS: Daily drinking rate and peak hour drinking rate are unique and should be considered when discussing drinking patterns. Both predict negative consequences and may be important aspects of interventions for negative drinking-related outcomes among college students | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a alcohol | |
| 650 | 4 | |a cannabis | |
| 650 | 4 | |a college students | |
| 650 | 4 | |a consequences | |
| 650 | 4 | |a drinking rate | |
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| 700 | 1 | |a Drohan, Megan M |e verfasserin |4 aut | |
| 700 | 1 | |a Boyle, Holly K |e verfasserin |4 aut | |
| 700 | 1 | |a Stevens, Angela K |e verfasserin |4 aut | |
| 700 | 1 | |a White, Helene R |e verfasserin |4 aut | |
| 700 | 1 | |a Jackson, Kristina |e verfasserin |4 aut | |
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