In 2018, 9.2 million adult Americans had a co-occurring mental illness and substance use disorder.¹ Additionally, 2 million individuals in U.S. jails have a serious mental illness, with most having a co-occurring substance use disorder.²
While it’s widely known that medication adherence greatly improves outcomes in the treatment of substance use disorders and mental illness, and also helps to reduce rates of recidivism in the criminal justice system, clinicians generally overestimate their own ability to identify and quantify non-adherence among their patients.³