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Service utilization patterns as determinants of capitation rates
M E Smith1, P Loftus-Rueckheim
1Ravenswood Hospital Community Mental Health Center, Chicago, IL 60618.
Hospital & Community Psychiatry
|January 1, 1993
Summary
Service utilization patterns for individuals with serious mental illness (SMI) in community treatment revealed four distinct groups. High-use groups consumed most resources, highlighting challenges in predicting costs for SMI populations.
Area of Science:
- Mental Health Services Research
- Health Economics
- Psychiatric Epidemiology
Background:
- Capitation payment models require accurate projection of service needs and costs.
- Individuals with serious mental illness (SMI) exhibit variable service requirements and associated expenses.
Purpose of the Study:
- To identify distinct patterns of service utilization among persons with SMI.
- To characterize patient demographics and costs linked to identified service use patterns.
Main Methods:
- A one-year service use tracking of 55 clients in a psychosocial-habilitation outpatient program.
- Calculation of total treatment costs per patient.
Main Results:
- Cluster analysis identified four service utilization patterns: low, moderate, moderately high, and high.
- Groups were primarily distinguished by disability status (moderately high users) and inpatient treatment history (high users).
- The highest two utilization groups, comprising one-third of the sample, consumed over 75% of total resources.
Conclusions:
- Limited clinical differences between groups may impede the development of tailored capitation rates for SMI subgroups.
- Factors beyond clinical need appear to significantly influence service utilization in this population.