PEDIATRICS Vol. 105 No. 5 May 2000, pp. 1020-1028

Quality of Care and Use of the Medical Home in a State-Funded Capitated Primary Care Plan For Low-Income Children

Received Jan 25, 1999; accepted Aug 2, 1999.

Allison Kempe^*, , Brenda Beaty^*, Brian P. Englund^*, Robert J. Roark^*, Nellie Hester^*, and John F. Steiner^{, §}

From the Departments of ^* Pediatrics,  Preventive Medicine and Biometrics, and ^§ Internal Medicine, University of Colorado Health Sciences Center, Denver, Colorado.

Objective.  To evaluate the quality of care and use of the medical home in a state-funded capitated insurance plan for low-income childrenthe Colorado Child Health Plan (CCHP).

Design.  A retrospective cohort study using medical record review at pediatric and family practice offices in 4 geographic areas of Colorado. At each practice, CCHP-enrolled children (6 months to 6.5 years) and 2 controls were selected, 1 with Medicaid (MK) and 1 with private insurance (PI), matched by date of birth to the CCHP-enrolled child (N = 596). CCHP-enrolled children with a diagnosis of asthma, aged 3 to 18 years, and asthmatic children with MK and PI, matched by age, were also selected from each practice (N = 139).

Results.  Quality of preventive services were comparable in the 3 groups. CCHP-enrolled children made more health maintenance visits than MK-enrolled children (1.3 CCHP vs .9 MK vs 1.1 PI) and were more frequently screened for lead (8.1% CCHP vs 3.4% MK vs 1.2% PI) and anemia (5.0% CCHP vs 4.4% MK vs 2.4% PI) than children in either control group. Documented immunization rates were similar in the 3 groups, but a shift in location of immunization from public health clinics to the primary care site was seen in the CCHP group. CCHP-enrolled children made more office visits for acute care than did MK-enrolled children (4.1 CCHP vs 3.1 MK vs 3.4 PI), but a higher proportion of these visits took place at the medical home rather than the emergency department for the CCHP group (.04) as compared with the MK (.07) or PI (.06) groups. Asthmatic children in the CCHP group made more preventive office visits for maintenance therapy and more frequently used the primary care site rather than the emergency department for acute exacerbations than did children with PI (mean ratio of emergency department visits to total acute visits .04 CCHP vs .06 MK vs .19 PI).

Conclusions.  Despite capitated reimbursement for primary care services, CCHP provided children from low-income families with preventive, acute, and chronic care services of comparable quantity and quality to those received by children with MK or PI. The program was associated with a shift of immunization location to the primary care site and increased health maintenance care for new enrollees. CCHP-enrolled children used their medical home for the majority of acute health needs and were not high utilizers of emergency department or hospital services.  Key words:  indigent care, health insurance, quality of care.

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