PEDIATRICS Vol. 105 No. 3 Supplement March 2000, pp. 711-718
Evaluation of New York State's Child Health Plus: Access, Utilization, Quality of Health Care, and Health Status
Received Oct 25, 1999; accepted Dec 6, 1999.
,,,,
From ¶ Children's Memorial Hospital, Department of Pediatrics
and Institute for Health Services, Research and Policy Studies,
Northwestern University School of Medicine, Chicago, Illinois; the
Departments of * Pediatrics, Community and Preventive Medicine, and
Biostatistics, University of Rochester School of Medicine and
Dentistry, Rochester, New York; and # National Immunization Program,
Centers for Disease Control and Prevention, Atlanta, Georgia.
Background. The recently enacted State Children's Health Insurance Program (SCHIP) is modeled after New York State's Child Health Plus (CHPlus) program. Since 1991, CHPlus has provided health insurance to children 0 to 13 years old whose annual family income was below 222% of the federal poverty level and who were ineligible for Medicaid or did not have equivalent health insurance coverage. CHPlus covered the costs for ambulatory, emergency, and specialty care, and prescriptions, but not inpatient services.
Objectives. To assess the change associated with CHPlus regarding 1) access to health care; 2) utilization of ambulatory, inpatient, and emergency services; 3) quality of health care; and 4) health status.
Setting. Six western New York State counties (including the city of Rochester).
Subjects. Children (0-6.99 years old) enrolled for at least 9 consecutive months in CHPlus.
Methods. The design was a before-and-after study, comparing individual-level outcomes for the 12 months immediately before CHPlus enrollment and the 12 months immediately after enrollment in CHPlus. Parent telephone interviews and medical chart reviews conducted 12 months after enrollment to gather information. Subjects' primary care charts were located by using interview information; emergency department (ED) charts were identified by searching patient records at all 12 EDs serving children in the study; and health department charts were identified by searching patient records at the 6 county health department clinics. Logistic regression and Poisson regression were used to compare the means of dependent measures with and without CHPlus coverage, while controlling for age, prior insurance type, and gap in insurance coverage before CHPlus.
Results. Complete data were obtained for 1730 children. Coverage by CHPlus was associated with a significant improvement in access to care as measured by the proportion of children reported as having a usual source of care (preventive care: +1.9% improvement during CHPlus and sick care: +2.7%). CHPlus was associated, among children 1 to 5 years old, with a significant increase in utilization of preventive care (+.23 visits/child/year) and sick care (+.91 visits/child/year) but no measurable change in utilization of specialty, emergency, or inpatient care. CHPlus was also associated, among children 1 to 5 years old, with significantly higher immunization rates (up-to-date for immunizations: 76% vs 71%), and screening rates for anemia (+11% increased proportion screened/year), lead (+9%), vision (+11%), and hearing (+7%). For 25% of the children, a parent reported that their child's health was improved as a result of having CHPlus.
Conclusion. After enrollment in CHPlus, access to and utilization of primary care increased, continuity of care improved, and many quality of care measures were improved while utilization of emergency and specialty care did not change. Many parents reported improved health status of their child as a result of enrollment in CHPlus.
Implication. This evaluation suggests that SCHIP programs are likely to improve access to, quality of, and participation in primary care significantly and may not be associated with significant changes in specialty or emergency care. Key words: children, SCHIP, underinsured, uninsured, health care utilization, access to care, quality of care, health status, health insurance.
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