"An estimated 33% of state and 46% of federal prisoners who met the criteria for having a substance use disorder in the 12 months prior to admission to prison participated in any alcohol or drug treatment program since admission to prison (table 7).
"About 12% of state and 15% of federal prisoners who met the criteria for having a substance use disorder in the 12 months prior to admission to prison received alcohol or drug treatment in a residential facility or unit since admission.
"Among those who met the criteria for having a substance use disorder, an estimated 27% of state and 25% of federal prisoners had participated in a self-help group or in peer counseling for drug or alcohol use since admission."
Laura M. Maruschak, Jennifer Bronson, PhD, and Mariel Alper, PhD. Alcohol and Drug Use and Treatment Reported by Prisoners: Survey of Prison Inmates, 2016. US Dept. of Justice Bureau of Justice Statistics. NCJ Number 252641. July 2021.