Drinking Trajectories in US and Sweden Young Adults : Patterns and Predictor

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Drinking Trajectories in US and Sweden Young Adults : Patterns and Predictor

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Title Drinking Trajectories in US and Sweden Young Adults : Patterns and Predictor
Author(s) Witkiewitz, Katie ; Larimer, Mary E ; Berglund, Mats ; Dillworth, Tiara ; Lee, Christine M ; Lewis, Melissa ; Kilmer, Jason ; Johnsson, Kent O ; Andersson, Claes ; Pace, Tim ; Fossos, Nicole
Date 2014
English abstract
Purpose: Alcohol use reaches its peak during young adulthood. The current study examined transitions in drinking status across a one year period in Swedish and American young adults while also examining the association between country of origin, educational status, tobacco use, andmarijuana use on the probabilities of heavy drinking and transitions in heavy drinking over time. Methods: Young adults (N=3342; mean age=17.7 (SD=0.53; 56.6% female) were recruited from Sweden (n=2171) and US (n=1181) schools and assessed prospectively at 6- and 12-months following the baseline assessment. The Daily Drinking Questionnaire was used to assess changes in the quantity and frequency of alcohol use. Educational status, tobacco use, andmarijuana use were also assessed prospectively at 6- and 12-months. Results: Latent Markov models were used to examine changes in alcohol use from baseline to the 12-month follow-up, as well as cross-sectional and cross-lagged associations between heavy drinking and educational status, tobacco use, and marijuana use over time. The “low drinking class” had, on average, <1 drink per peak drinking occasion, <1 drinking per typical drinking occasion, and <1 drinking day per week. The “moderate drinking class” had, on average, 7 drinks per peak occasion, 5 drinks on a typical occasion, and drank on <2 days per week. The “heavy drinking class” had, on average, 17 drinks per peak occasion, 13 drinks on a typical occasion, and 2+ days per week. Country and gender were significant predictors of drinking at all time points with Swedishmales most likely to be classified as the heaviest drinkers. Cigarette use predicted the heaviest drinking and transitions to heavier drinking across time, whereas individuals who did not smoke cigarettes or usemarijuana were most likely to be in the lowest drinking class. Being enrolled as a student was a significant predictor of likely membership in the moderate drinking class, and a significantly lower probability of being in the low or heavy drinking classes. Conclusions: Some young adults engage in extremely heavy drinking, which tended to decrease over a 12-month period. Swedishmales and those who smoked cigarettes were at greatest risk of heavy drinking, whereas being enrolled as a student and abstinence from marijuana and cigarettes significantly reduced the probability of heavy drinking.
DOI http://dx.doi.org/10.1111/acer.12452 (link to publisher's fulltext)
Publisher Wiley
Host/Issue Special Issue: Abstracts from the 37th Annual Scientific Meeting of the Research Society on Alcoholism, June 21-25, Bellevue, Washington;
Volume 38
Series/Issue Alcoholism: Clinical and Experimental Research;s 1
ISSN 1530-0277
Pages 347A
Language eng (iso)
Subject(s) Medicine
Research Subject Categories::MEDICINE
Note 37th Annual Scientific Meeting of the Research Society on Alcoholism, June 21-25, Bellevue, Washington
Handle http://hdl.handle.net/2043/18306 (link to this page)
Link http://www.rsoa.org/2014meet-indexAbs.htm (external link to related web page)

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