Fig. 2
From: Trends in alcohol and marijuana detected in homicide victims in 9 US states: 2004–2016
Prevalence of Marijuana Detected in Homicide Victims by Year and Sex: National Violent Death Reporting System; Colorado, Georgia, Massachusetts, New Jersey, Oregon, Rhode Island, South Carolina, Virginia, and Wisconsin; 2004–2016. Note. Cochran-Armitage χ2 test for trend: male (Z = -14.17; P < .001); female (Z = -7.01; P < .001)