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. 2019 Feb 1;173(2):192-193.
doi: 10.1001/jamapediatrics.2018.4458.

Prevalence of Cannabis Use in Youths After Legalization in Washington State

Julia A Dilley  1 , Susan M Richardson  1 , Beau Kilmer  2 , Rosalie Liccardo Pacula  2 , Mary B Segawa  3 , Magdalena Cerdá  4
Affiliations

Prevalence of Cannabis Use in Youths After Legalization in Washington State

Julia A Dilley et al. JAMA Pediatr. .

Abstract

This survey study examines changes in the use of marijuana by adolescents since legalization of recreational use in Washington State.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Figures

Figure.
Figure.. Past-Month Cannabis Use Prevalence Among Washington State Youth by Survey and Grade Before and After Legalization
Washington Healthy Youth Survey (HYS) modeled estimates in 2010-2012 and 2014-2016 and Monitoring the Future survey (MTF) in 2010-2012 and 2013-2015. Error bars indicate 95% CI.
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References

    1. Cerdá M, Wall M, Feng T, et al. . Association of state recreational marijuana laws with adolescent marijuana use. JAMA Pediatr. 2017;171(2):142-149. doi:10.1001/jamapediatrics.2016.3624 - DOI - PMC - PubMed
    1. Washington State Department of Social and Health Services, Department of Health, Office of the Superintendent of Public Instruction, and Liquor and Cannabis Board Healthy Youth Survey 2016 Analytic Report, Olympia, WA. http://www.AskHYS.net. Published June 2017. Accessed April 30, 2018.
    1. Dilley JA, Hitchcock L, McGroder N, Greto LA, Richardson SM. Community-level policy responses to state marijuana legalization in Washington State. Int J Drug Policy. 2017;42:102-108. doi:10.1016/j.drugpo.2017.02.010 - DOI - PMC - PubMed

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