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Changes in undergraduates' marijuana, heavy alcohol and cigarette use following legalization of recreational marijuana use in Oregon.

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Title: Changes in undergraduates' marijuana, heavy alcohol and cigarette use following legalization of recreational marijuana use in Oregon.
Authors: Kerr, David C. R., Bae, Harold, Phibbs, Sandi, Kern, Adam C.
Source: Addiction. Nov2017, Vol. 112 Issue 11, p1992-2001. 10p. 1 Diagram, 4 Charts.
Subjects: Undergraduates, Marijuana abuse, College students, Smoking, Alcohol drinking in college, Marijuana legalization, Drug abuse, Law, Substance abuse, Health, Universities & colleges, Cannabis (Genus), Drug control, Behavior modification, Medical cooperation, Research, Self-evaluation, Logistic regression analysis, Cross-sectional method
Geographic Terms: Oregon, United States
Abstract: Background and Aims Recreational marijuana legalization (RML) went into effect in Oregon in July 2015. RML is expected to influence marijuana use by adolescents and young adults in particular, and by those with a propensity for substance use. We sought to quantify changes in rates of marijuana use among college students in Oregon from pre- to post-RML relative to college students in other states across the same time period. Design Repeated cross-sectional survey data from the 2012-16 administrations of the Healthy Minds Study. Setting Seven 4-year universities in the United States. Participants There were 10 924 undergraduate participants. One large public Oregon university participated in 2014 and 2016 ( n = 588 and 1115, respectively); six universities in US states where recreational marijuana use was illegal participated both in 2016 and at least once between 2012 and 2015. Measurements Self-reported marijuana use in the past 30 days (yes/no) was regressed on time (pre/post 2015), exposure to RML (i.e. Oregon students in 2016) and covariates using mixed-effects logistic regression. Moderation of RML effects by recent heavy alcohol use was examined. Findings Rates of marijuana use increased from pre- to post-2015 at six of the seven universities, a trend that was significant overall. Increases in rates of marijuana use were significantly greater in Oregon than in comparison institutions, but only among students reporting recent heavy alcohol use. Conclusions Rates of Oregon college students' marijuana use increased (relative to that of students in other states) following recreational marijuana legislation in 2015, but only for those who reported recent heavy use of alcohol. Such alcohol misuse may be a proxy for vulnerabilities to substance use or lack of prohibitions (e.g. cultural) against it. [ABSTRACT FROM AUTHOR]
Copyright of Addiction is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Changes in undergraduates' marijuana, heavy alcohol and cigarette use following legalization of recreational marijuana use in Oregon.
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  Data: <searchLink fieldCode="AR" term="%22Kerr%2C+David+C%2E+R%2E%22">Kerr, David C. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Bae%2C+Harold%22">Bae, Harold</searchLink><br /><searchLink fieldCode="AR" term="%22Phibbs%2C+Sandi%22">Phibbs, Sandi</searchLink><br /><searchLink fieldCode="AR" term="%22Kern%2C+Adam+C%2E%22">Kern, Adam C.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Addiction%22">Addiction</searchLink>. Nov2017, Vol. 112 Issue 11, p1992-2001. 10p. 1 Diagram, 4 Charts.
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  Data: <searchLink fieldCode="DE" term="%22Undergraduates%22">Undergraduates</searchLink><br /><searchLink fieldCode="DE" term="%22Marijuana+abuse%22">Marijuana abuse</searchLink><br /><searchLink fieldCode="DE" term="%22College+students%22">College students</searchLink><br /><searchLink fieldCode="DE" term="%22Smoking%22">Smoking</searchLink><br /><searchLink fieldCode="DE" term="%22Alcohol+drinking+in+college%22">Alcohol drinking in college</searchLink><br /><searchLink fieldCode="DE" term="%22Marijuana+legalization%22">Marijuana legalization</searchLink><br /><searchLink fieldCode="DE" term="%22Drug+abuse%22">Drug abuse</searchLink><br /><searchLink fieldCode="DE" term="%22Law%22">Law</searchLink><br /><searchLink fieldCode="DE" term="%22Substance+abuse%22">Substance abuse</searchLink><br /><searchLink fieldCode="DE" term="%22Health%22">Health</searchLink><br /><searchLink fieldCode="DE" term="%22Universities+%26+colleges%22">Universities & colleges</searchLink><br /><searchLink fieldCode="DE" term="%22Cannabis+%28Genus%29%22">Cannabis (Genus)</searchLink><br /><searchLink fieldCode="DE" term="%22Drug+control%22">Drug control</searchLink><br /><searchLink fieldCode="DE" term="%22Behavior+modification%22">Behavior modification</searchLink><br /><searchLink fieldCode="DE" term="%22Medical+cooperation%22">Medical cooperation</searchLink><br /><searchLink fieldCode="DE" term="%22Research%22">Research</searchLink><br /><searchLink fieldCode="DE" term="%22Self-evaluation%22">Self-evaluation</searchLink><br /><searchLink fieldCode="DE" term="%22Logistic+regression+analysis%22">Logistic regression analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Cross-sectional+method%22">Cross-sectional method</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Oregon%22">Oregon</searchLink><br /><searchLink fieldCode="DE" term="%22United+States%22">United States</searchLink>
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  Data: Background and Aims Recreational marijuana legalization (RML) went into effect in Oregon in July 2015. RML is expected to influence marijuana use by adolescents and young adults in particular, and by those with a propensity for substance use. We sought to quantify changes in rates of marijuana use among college students in Oregon from pre- to post-RML relative to college students in other states across the same time period. Design Repeated cross-sectional survey data from the 2012-16 administrations of the Healthy Minds Study. Setting Seven 4-year universities in the United States. Participants There were 10 924 undergraduate participants. One large public Oregon university participated in 2014 and 2016 ( n = 588 and 1115, respectively); six universities in US states where recreational marijuana use was illegal participated both in 2016 and at least once between 2012 and 2015. Measurements Self-reported marijuana use in the past 30 days (yes/no) was regressed on time (pre/post 2015), exposure to RML (i.e. Oregon students in 2016) and covariates using mixed-effects logistic regression. Moderation of RML effects by recent heavy alcohol use was examined. Findings Rates of marijuana use increased from pre- to post-2015 at six of the seven universities, a trend that was significant overall. Increases in rates of marijuana use were significantly greater in Oregon than in comparison institutions, but only among students reporting recent heavy alcohol use. Conclusions Rates of Oregon college students' marijuana use increased (relative to that of students in other states) following recreational marijuana legislation in 2015, but only for those who reported recent heavy use of alcohol. Such alcohol misuse may be a proxy for vulnerabilities to substance use or lack of prohibitions (e.g. cultural) against it. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Addiction is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=pbh&AN=125541503
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      – Type: doi
        Value: 10.1111/add.13906
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 10
        StartPage: 1992
    Subjects:
      – SubjectFull: Undergraduates
        Type: general
      – SubjectFull: Marijuana abuse
        Type: general
      – SubjectFull: College students
        Type: general
      – SubjectFull: Smoking
        Type: general
      – SubjectFull: Alcohol drinking in college
        Type: general
      – SubjectFull: Marijuana legalization
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      – SubjectFull: Drug abuse
        Type: general
      – SubjectFull: Law
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      – SubjectFull: Substance abuse
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      – SubjectFull: Oregon
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      – SubjectFull: United States
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    Titles:
      – TitleFull: Changes in undergraduates' marijuana, heavy alcohol and cigarette use following legalization of recreational marijuana use in Oregon.
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              Text: Nov2017
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