Address correspondence to John F. McCarthy, Ph.D., M.P.H., Department of Psychiatry, University of Michigan, Ann Arbor, MI, HSR&D Field Program/SMITREC, P.O. Box 130170, Ann Arbor, MI 48113-0170. Dr. McCarthy, Frederic C. Blow, Ph.D., Marcia Valenstein, M.D., M.S., Kristen L. Barry, Ph.D., and Rosalinda V. Ignacio, M.S., are with the Department of Veterans Affairs, Serious Mental Illness Treatment Research and Evaluation Center, Ann Arbor, MI. Frederic C. Blow, Marcia Valenstein, Kristen L. Barry, and Rosalinda V. Ignacio are also with the Department of Psychiatry, University of Michigan, Ann Arbor, MI. Ellen P. Fischer, Ph.D., Richard R. Owen, M.D., and Teresa J. Hudson, PharmD., are with the Department of Veterans Affairs HSR&D Center for Mental Healthcare and Outcomes Research, Central Arkansas Veterans Healthcare System, North Little Rock, AR. Ellen P. Fischer, Richard R. Owen, and Teresa J. Hudson, are also with the Centers for Mental Healthcare Research, Department of Psychiatry and Behavioral Sciences, University of Arkansas for Medical Sciences, Little Rock, AR.
Veterans Affairs Health System and Mental Health Treatment Retention among Patients with Serious Mental Illness: Evaluating Accessibility and Availability Barriers
Version of Record online: 25 SEP 2006
Health Services Research
Volume 42, Issue 3p1, pages 1042–1060, June 2007
How to Cite
McCarthy, J. F., Blow, F. C., Valenstein, M., Fischer, E. P., Owen, R. R., Barry, K. L., Hudson, T. J. and Ignacio, R. V. (2007), Veterans Affairs Health System and Mental Health Treatment Retention among Patients with Serious Mental Illness: Evaluating Accessibility and Availability Barriers. Health Services Research, 42: 1042–1060. doi: 10.1111/j.1475-6773.2006.00642.x
- Issue online: 25 SEP 2006
- Version of Record online: 25 SEP 2006
- Access/demand/utilization of services;
- mental health;
- VA health system
Objective. We examine the impact of two dimensions of access—geographic accessibility and availability—on VA health system and mental health treatment retention among patients with serious mental illness (SMI).
Methods. Among 156,631 patients in the Veterans Affairs (VA) health care system with schizophrenia or bipolar disorder in fiscal year 1998 (FY98), we used Cox proportional hazards regression to model time to first 12-month gap in health system utilization, and in mental health services utilization, by the end of FY02. Geographic accessibility was operationalized as straight-line distance to nearest VA service site or VA psychiatric service site, respectively. Service availability was assessed using county-level VA hospital beds and non-VA beds per 1,000 county residents. Patients who died without a prior gap in care were censored.
Results. There were 32, 943 patients (21 percent) with a 12-month gap in health system utilization; 65,386 (42 percent) had a 12-month gap in mental health services utilization. Gaps in VA health system utilization were more likely if patients were younger, nonwhite, unmarried, homeless, nonservice-connected, if they had bipolar disorder, less medical morbidity, an inpatient stay in FY98, or if they lived farther from care or in a county with fewer VA inpatient beds. Similar relationships were observed for mental health, however being older, female, and having greater morbidity were associated with increased risks of gaps, and number of VA beds was not significant.
Conclusions. Geographic accessibility and resource availability measures were associated with long-term continuity of care among patients with SMI. Increased distance from providers was associated with greater risks of 12-month gaps in health system and mental health services utilization. Lower VA inpatient bed availability was associated with increased risks of gaps in health system utilization. Study findings may inform efforts to improve treatment retention.