Copyright 2016 American Medical Association. All Rights Reserved.
By 2014, 23 states and the District of Columbia had legalized medical marijuana use, suggesting a need for information about national rates of marijuana use for medical purposes.1 Although 17% of past-year marijuana users reported use for medical purposes in states with medical marijuana legalization,2 physicians might recommend medical marijuana use to patients regardless of their residing states.3 Therefore, we examined differences between medical and nonmedical marijuana users across all US states.
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Corresponding Author: Wilson M. Compton, MD, MPE, National Institute on Drug Abuse, 6001 Executive Blvd, MSC 9589, Bethesda, MD 20892-9589 (firstname.lastname@example.org).
Published Online: December 19, 2016. doi:10.1001/jama.2016.18900
Author Contributions: Dr Han had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Compton, Han, Hughes, Jones.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Compton, Han.
Critical revision of the manuscript for important intellectual content: All authors.
Statistical analysis: Han, Hughes, Jones.
Administrative, technical, or material support: Han.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Dr Compton reports ownership of stock in General Electric, 3M, and Pfizer. No other disclosures were reported.
Funding/Support: The National Survey on Drug Use and Health was supported by contracts from the Substance Abuse and Mental Health Services Administration. This study was jointly sponsored by the National Institute on Drug Abuse of the National Institutes of Health, the Substance Abuse and Mental Health Services Administration, and the Office of the Assistant Secretary for Planning and Evaluation of the US Department of Health and Human Services.
Role of the Funder/Sponsors: The sponsors supported the authors who were responsible for preparation, review, and approval of the manuscript and the decision to submit the manuscript for publication. The sponsors had no role in the design and conduct of the study; analysis and interpretation of the data; preparation and review of the manuscript; or decision to submit the manuscript for publication. The sponsors reviewed and approved the manuscript.
Disclaimer: The findings and conclusions of this study are those of the authors and do not necessarily reflect the views of the National Institute on Drug Abuse of the National Institutes of Health, the Substance Abuse and Mental Health Services Administration, or the US Department of Health and Human Services.
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