A) Prevalence of marijuana use in the past month by age group and state MML status (Passed MML before or during 2004, Passed MML between 2005–2013, and States without MML by 2013). a B) Prevalence of availability of marijuana (fairly or very easy to obtain marijuana) by age group and state MML status.
a. Number of states by MML status: 11 states enacting MML before or during 2004 (CA, OR, WA, AK, ME, CO, NV, HI, MD, MT, VT); 10 states enacting MML between 2005–2013 (RI, NM, MI, AZ, NJ, DE, CT, MA, IL, NH); and 29 states without MML by 2013.
Abbreviations: MML= Medical marijuana laws