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Research Letter |

Recent Trends in the Prevalence of Marijuana Use and Associated Disorders in the United States

Richard A. Grucza, PhD1; Arpana Agrawal, PhD1; Melissa J. Krauss, MPH1; Patricia A. Cavazos-Rehg, PhD1; Laura J. Bierut, MD1
[+] Author Affiliations
1Department of Psychiatry, Washington University School of Medicine, St Louis, Missouri
JAMA Psychiatry. 2016;73(3):300-301. doi:10.1001/jamapsychiatry.2015.3111.
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This study compares prevalence and trends in marijuana use and marijuana use disorder from the National Epidemiologic Survey of Alcohol and Related Conditions with those from the National Survey on Drug Use and Health.

Using data from 2 waves of the National Epidemiologic Survey of Alcohol and Related Conditions (NESARC), Hasin and colleagues1 reported that the past-year prevalence of marijuana use in the United States has more than doubled in a decade (2002-2003 to 2012-2013), along with a comparable increase in the past-year prevalence of marijuana use disorder as defined by the DSM-IV. Because a previous report documented large discrepancies between drug use estimates from the NESARC and those provided by the National Survey on Drug Use and Health (NSDUH),2 we sought to directly compare prevalence estimates and trends in marijuana use and marijuana use disorder from the NSDUH those from the NESARC.

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Figure.
Past-Year Prevalence Estimates for Marijuana Use, Marijuana Use Disorder, and Marijuana Use Disorder Among Past-Year Users, 2002-2013

Lines represent fits to linear trend models and are not meant to describe the precise functional form of the trends. Triangles represent marijuana use; squares, marijuana use disorder; circles, marijuana use disorder among past-year users; and error bars represent 95% CIs.

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