Opioid Death Rate in States & DC That Legalized Marijuana during 2010-2016 and in States That Did Not

Data from CDC WONDER (click here)

Annual and monthly data are analyzed for difference between states and DC that legalized marijuana during 2010-2016 and states that, as of December 2016, had not.  Bleyer A, Barnes B. Opioid death rate acceleration in jurisdictions legalizing marijuana use. JAMA Int Med.  2018;178(9 Sept):1280-1281.

Analyses include opioid death rates in legalizing entities that are both included and excluded before legalization implementation, the latter as recommended by Hockenberry and Wen (JAMA Int Med.  2018;178(9 Sept):1282).
Data Source: Centers for Disease Control and Prevention, National Center for Health Statistics. Multiple Cause of Death 1999-2016 on CDC WONDER Online Database, released December, 2017. Accessed at http://wonder.cdc.gov/mcd-icd10.html on April 14, 2018.
Joinpoint Regression Program: Version April, 2018; Statistical Research and Applications Branch, National Cancer Institute. Statistical Research and Applications Branch, National Cancer Institute. Kim HJ, Fay MP, Feuer EJ, Midthune DN. Permutation tests for joinpoint regression with applications to cancer rates. Stat Med 2000;19:335-351 (correction: 2001;20:655).
Analyzers: Archie Bleyer, MD, Clinical Research Professor, Oregon Health and Science University, Portland, OR and Brian Barnes, CSWA, MAC, CADC III, Central City Concern, Old Town Clinic, Portland, OR and PhD Student, Integral and Transpersonal Psychology, California Institute of Integral Studies. San Francisco, CA