Table 1 Characteristics of Correctional Systems studied
| Correctional System | Jurisdiction | Jails/Prisons | Number of Facilities | Sites offering MATa | Population |
|---|---|---|---|---|---|
| Middlesex County Jail and House of Correction | County | Jail/HOCb | 1 | 1 | 1160 |
| Barnstable County Jail | County | Jail/HOC | 1 | 1 | 350 |
| Rhode Island Department of Corrections | State | Jails and Prisons | 6 | 6 | 3100 |
| Connecticut Department of Corrections | State | Jails and Prisons | 15 | 3 | 14,815 |