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Open AccessArticle

Population Attributable Fraction of Early Age of Onset of Alcohol Use in Alcohol Abuse and Dependence: A 3-Year Follow-Up Study in University Students

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Department of Psychology, Virginia Commonwealth University, Richmond, VA 23284, USA
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CIBER de Epidemiología y Salud Pública (CIBERESP), Department of Public Health. Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Spain
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College Behavioral and Emotional Health Institute, Virginia Commonwealth University, Richmond, VA 23284, USA
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Faculty of Business, Karabuk University, 78050 Karabuk, Turkey
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Department of Innovation and Research. Complexo Hospitalario Universitario de Ourense, 32005 Ourense, Spain
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Department of Human and Molecular Genetics, Virginia Commonwealth University, Richmond, VA 23284, USA
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(6), 2159; https://doi.org/10.3390/ijerph17062159
Received: 3 February 2020 / Revised: 17 March 2020 / Accepted: 19 March 2020 / Published: 24 March 2020
(This article belongs to the Special Issue Alcohol Use Among Adolescents and Young People)
Background: we aimed to determine the risk factors and associated population attributable fractions (PAFs) for the age of onset of alcohol use and also to identify protective factors. Methods: we analyzed follow-up data collected between autumn 2011 and spring 2016 (n = 5170) from the first two cohorts (2011, 2012) of the Spit for ScienceTM project. The dependent variables were alcohol abuse and dependence, and the independent variables were age of drinking onset, residence, ethnicity, religiosity, sexual orientation and work status. We determined the odds ratios (OR) using multilevel logistic regression for repeated measures in SPSSv.20. Results: the early onset of alcohol use was associated with an increased risk of alcohol abuse and dependence among females (OR = 14.98; OR = 11.83) and males (OR = 7.41; OR = 6.24). The PAFs for the early onset of alcohol use in alcohol abuse and dependence were respectively 80.9% and 71.7% in females and 71.0% and 63.5% in males. Among females, being white (OR = 1.58; OR = 1.51), living off-campus (OR = 1.73; OR = 2.76) and working full-time (OR = 1.69; OR = 1.78) were also risk factors. Strong religious beliefs were found to protect males from alcohol abuse (OR = 0.58), while same-gender sexual orientation increased the risk among females (OR = 2.09). Conclusion: delaying the age of onset by one year would reduce alcohol abuse among young adults. View Full-Text
Keywords: alcohol drinking in college; age of onset; risk factors; cohort alcohol drinking in college; age of onset; risk factors; cohort
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Caamano-Isorna, F.; Adkins, A.; Aliev, F.; Moure-Rodríguez, L.; Dick, D.M. Population Attributable Fraction of Early Age of Onset of Alcohol Use in Alcohol Abuse and Dependence: A 3-Year Follow-Up Study in University Students. Int. J. Environ. Res. Public Health 2020, 17, 2159.

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