Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/88219
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dc.contributorDepartment of Applied Mathematicsen_US
dc.creatorGu, Jen_US
dc.creatorGuo, Xen_US
dc.creatorVeenstra, Gen_US
dc.creatorZhu, Yen_US
dc.creatorFu, Qen_US
dc.date.accessioned2020-09-25T09:19:53Z-
dc.date.available2020-09-25T09:19:53Z-
dc.identifier.issn0002-9262en_US
dc.identifier.urihttp://hdl.handle.net/10397/88219-
dc.language.isoenen_US
dc.rights© The Author(s) 2021. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. All rights reserved.en_US
dc.rightsThis is a pre-copyedited, author-produced PDF of an article accepted for publication in American Journal of Epidemiology following peer review. The version of record Jiaxin Gu, Xin Guo, Gerry Veenstra, Yushu Zhu, Qiang Fu, Adolescent Marijuana Use in the United States and Structural Breaks: An Age-Period-Cohort Analysis, 1991–2018, American Journal of Epidemiology, Volume 190, Issue 6, June 2021, Pages 1056–1063 is available online at: https://doi.org/10.1093/aje/kwaa269.en_US
dc.subjectMarijuana useen_US
dc.subjectAge-Period-Cohort analysisen_US
dc.subjectAdolescenten_US
dc.subjectStructural breaken_US
dc.titleAdolescent marijuana use in the United States and structural breaks : an age-period-cohort analysis, 1991 to 2018en_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1056en_US
dc.identifier.epage1063en_US
dc.identifier.volume190en_US
dc.identifier.issue6en_US
dc.identifier.doi10.1093/aje/kwaa269en_US
dcterms.abstractTo investigate temporal patterns, socio-demographic gradients, and structural breaks in adolescent marijuana use in the United States from 1991 to 2018, we used hierarchical Age-Period-Cohort logistic models to separate temporal effects of marijuana use among 8th, 10th, and 12th graders from 28 waves of the Monitoring the Future survey. Structural breaks in period effects were further detected via a dynamic-programing-based method. Net of other effects, we found a clear age-related increase in the probability of marijuana use (10.46%, 23.17%, and 31.19% for 8th, 10th and 12th graders, respectively). Period effects showed a substantial increase over time (from 16.23% in 2006 to 26.38% in 2018), while cohort effects remained stable over the period of study. Risk of adolescent marijuana use varied by sex, racial group, family status, and parental education. Significant structural breaks during 1995-1996, 2006-2008, and 2011-2013 were identified in sub-populations. A steady increase in marijuana use among adolescents over the latter years of this time period was identified. Adolescents who were male, non-African American, lived in non-intact families, and who had less educated parents were especially at risk of marijuana usage. Trends of adolescent marijuana use changed significantly during times of macro events.en_US
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationAmerican journal of epidemiology, June 2021, v. 190, no. 6, p. 1056-1063en_US
dcterms.isPartOfAmerican journal of epidemiologyen_US
dcterms.issued2021-06-
dc.description.validate202009 bcrcen_US
dc.description.oaAccepted Manuscripten_US
dc.identifier.FolderNumbera0484-n01-
dc.description.pubStatusPublisheden_US
dc.description.oaCategoryGreen (AAM)en_US
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