EXHIBIT 3. Proportion of individuals in the US with opioid use disorder receiving medications for opioid use disorder, by referral source and state Medicaid expansion status, 2008–17.

SOURCE Authors’ analysis of information for 2008–17 from the Treatment Episode Data Set–Admissions, Substance Abuse and Mental Health Services Administration, linked to data on years of adoption of the Medicaid expansion. NOTE Unadjusted proportions.