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Cost-Effectiveness Evaluation of Syphilis Screening at Cook County Jail. J Kraut 1 , A McIntyre 2 , H Beidinger 3,4 , K Irwin 3 1 Northern Illinois University, DeKalb, IL 2 University of Illinois at Chicago School of Public Health 3 Centers for Disease Control and Prevention, Atlanta, GA
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Cost-Effectiveness Evaluation of Syphilis Screening at Cook County Jail J Kraut1, A McIntyre2, H Beidinger3,4, K Irwin3 1 Northern Illinois University, DeKalb, IL 2 University of Illinois at Chicago School of Public Health 3Centers for Disease Control and Prevention, Atlanta, GA 4 Chicago Department of Public Health
Background • 1987: Routine syphilis screening for all detainees by Chicago Dept of Public Health (CDPH) • 1996: High rates of early syphilis detected at Cook County Jail (CCJ) “Stat RPR Project” • CDPH Disease Intervention Specialist at Women’s Intake Unit • Pilot Program with limited scope • Women • Second work shift (3 PM - 11 PM), M-F
Results of Stat RPR Project • Percent of detainees treated prior to release from jail*: • Routine RPR: 44% • Stat RPR: 88% • New cases of early syphilis declining • 1996: 152 cases • 1999: 139 cases • High recidivism • Is Stat RPR screening still valuable? *MMWR, June 5, 1998
Objectives • Determine the cost and cost effectiveness of Stat RPR vs. Routine RPR screening for syphilis in female inmates • Evaluate long-term value of Stat RPR screening at CCJ
Decision Analysis Model: Program Alternatives • Program Alternative 1 • Stat RPR Screening 2nd shift • Voluntary specimen collection at women’s intake unit • RPR Testing—immediately—at women’s intake unit • Treatment within hours of arrival • TOTAL TIME: Several Hours • Routine RPR Screening All other shifts • Voluntary specimen collection at women’s intake unit • RPR Testing—next day—at onsite lab • Results back within a few days • Location and movement of detainee for treatment • TOTAL TIME: 3-4 Days • Program Alternative 2 • Routine RPR Screening All shifts
Methods: Data • RPR Test Data • RPR Test results provided by CDPH and lab onsite at CCJ • RPR Test performance measures: Literature estimates • Costs • Labor costs: Time-Motion studies at CCJ [3/7/00-4/3/00] • Laboratory Technician • Correctional Medical Technician • Disease Intervention Specialists (DIS) • Jail-Based STD Clinic • Field Follow Up (+RPRs Released Prior to Treatment) • Stat RPR Project: Women’s Intake Unit • Tests, Treatment, Equipment: CDPH • Sequelae Costs: Literature estimates
Methods: Data • Detainee Data • Collected by CDPH [March 7 – April 3, 2000] • Demographics • Age, Race, Education, Number of Children • Booking Data • Length of stay at CCJ • Reason for this arrest • Number of previous arrests within past 3 years
Limitations • Small sample size • Potential measurement error in data • All data elements manually collected • Lab results not automated • Data not centralized
Ongoing Data Collection • 1996 – 2000 Data • Examine cost to detect new case of syphilis in 1996 vs. cost to detect new case of syphilis in 2000 • Examine cost effectiveness of Stat RPR screening in 1996 vs. cost effectiveness of Stat RPR in 2000
Conclusions • Stat RPR screening is effective way to treat inmates prior to release from jail • Cost of Stat RPR screening > Routine RPR screening • Cases detected and treated with Stat RPR screening > Cases detected and treated with Routine RPR screening • Other issues surrounding jail, syphilis control influence programming decisions • Local decision-makers must decide whether Stat RPR screening can be sustained given their budget