1. Institutional Healthcare Utilization at CUCS Supportive Housing Sites 5/2008 – 4/2011

2. Study Sites & Cost Assumptions Sites: Times Square, Prince George, Christopher, Schermerhorn, 575 5 th Avenue, Lee Per diem cost assumptions  Medical inpatient:$4000  Psychiatric inpatient:$2000  Medical detoxification:$1500  Medical ER (non-admit):$800  Medical rehabilitation:$750  Substance use rehabilitation:$500  Psychiatric ER (non-admit):$400  Nursing home:$385

3. Annual Utilization: SPMI Tenants in Housing for the Entire Year 5/2008-4/2009 (N=368)5/2009-4/2010 (N=411)5/2010-4/2011 (N=462) n = 265n = 300n = 328 72% = $073% = $071% = 0 n = 29 n = 42 80% = $5,00080% = $1,500080% = $5,000 n = 37n = 41n = 46 90% = $43,50090% = $29,50090% = $26,500 n = 18n = 21n = 23 95% = $79,00095% = $81,00095% = $56,000 n = 15n = 16n = 18 99% = $253,00099% = $288,00099% = $192,500 n = 4 n = 5 Top = $805,500Top = $1,351,500Top = $1,460,000

4. Annual Costs by Treatment Type Average cost per tenant by treatment type, 5/2010- 4/2011 (134 tenants)  Medical inpatient & ER: $30,700  Psychiatric inpatient & ER: $9,100  Medical rehabilitation (HRF): $1,900  Medical detoxification: $1,400  Substance use rehabilitation: $1,400  Nursing home: $1,300 Tenant overlap across three-year period  Tenants in housing 5/2008-4/2011: 321  Tenants with $0 institutional tx utilization:178 (55%)