THE IMPACT OF IMPACT - AN ASSESSMENT OF THE EFFECTIVENESS OF A JAIL-BASED TREATMENT PROGRAM

This study examined the effects of a drug treatment program in Chicago 's Cook County Jail (CCJ). The program, known as the Integrated Multip hase Program of Assessment and Comprehensive Treatment (IMPACT), invol ves three agencies and is bared on the general model of a modified the rapeutic community. IMPACT significantly reduced rearrest rates and de layed time-to-rearrest for program participants. Outcomes improved as length of stay in the program increased up to 150 days, after which th ere were no further reductions in recidivism. In addition, community t reatment significantly reduced rearrest rates even for inmates who sta yed an optimal length of time in the program.