NYC 9/11 Public Portal Document
Cook County Study, Threshold Jail Program, 1999
• Program: Case management, medication monitoring, housing, transportation, money
management post-release, and continued contact throughout subsequent arrests and
hospitalizations.
• Agencies involved: Illinois Office of Mental Health; Cook County Jail.
• Subjects: Referred from jail. All have "three strikes against them." All with mental health
diagnoses, most with substance abuse, histories of non-compliance. 30 clients studied.
• Results: Clients' records were reviewed for one and two years before they entered the
Threshold Jail Program and compared to one and two years after being in the program.
One year I year before 1 year after percent
for 29 & 30 clients entering program entering program change
Jail days, 91.4 days 16.3 days 82%
average per client (30) decrease
Jail costs, $6,398 $1,141
average er client (30)
Number of Arrests, 3.3 arrests 1.6 arrests 51%
average perclient(30) decrease
Hospital days, 74 days 11 days 86%
average per client (29) decrease
Hospital Costs, $37,000 $5,500
average er client(29)
Number of 0.8 hospitalizations 0.1 hospitalizations 83%
Hospitalizations, decrease
average per client (29)
Two years 2 years before 2 years after percent
for 13 clients entering program entering program change
Jail days, 119 days 16 days 86%
average perclient decrease
Jail costs, $8,330 $1,120
average er client
Number of Arrests, 8.9 arrests I arrest 89%
average per client decrease
6
NYC-WTC 000138011
OCR can misread numbers and units. Confirm readings against the page image before using them.