Scattering of primary care: Doctor switching and utilization of health care by children on fee-for-service medicaid |
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Authors: | Dr Gavin P Joffe MD MPH Dr Lance E Rodewald MD Dr Teresa Herbert MD Mr Richard Barth Dr Peter G Szilagyi MD MPH |
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Institution: | (1) Division of General Pediatrics, Department of Pediatrics, University of Rochester School of Medicine and Dentistry, Rochester, NY;(2) National Immunization Program, Centers for Disease Control and Prevention, Atlanta, GA;(3) Department of Pediatrics, Rochester General Hospital, Rochester, NY;(4) Department of Pediatrics, Strong Memorial Hospital, 601 Elmwood Avenue, Box 632, 14642 Rochester, NY |
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Abstract: | Objective To determine whether children on fee-for-service Medicaid who switch primary care doctors use less health care and are less
up to date with preventive care visits than children who do not switch primary care doctors.
Design Retrospective cohort study using Medicaid claims data.
Setting 51,027 children enrolled on Medicaid in Monroe County, New York.
Patients 14,187 children enrolled continuously on fee-for-service Medicaid between January 1992 and December 1994.
Main Outcome Measures Utilization of primary care, emergency department (ED) services, and specialty care and proportion up to date with preventive
care visits according to American Academy of Pediatrics guidelines.
Results During the 2-year study period, 22% of children switched primary care doctors. Compared with children who did not switch primary
care doctors, those who switched had more primary care visits (4.7 vs. 3.2 visits/year,P<.01), age-adjusted preventive care visits (1.2 vs. 1.0 visits/year), ED visits (0.72 vs. 0.47 visits/year,P<.01), and specialist visits (0.99 vs. 0.31,P<.01). On multivariate analysis, doctor switching was associated with increased odds of being up to date with preventive care
visits (odds ratio OR]=1.7; 95% confidence interval CI] 1.3 to 2.1). However, on multivariate analysis stratified by age,
the association was significant only for older children (ages 11 to 14). Altogether, 68% of all children and 44% of infants
less than 1 year old made the recommended number of preventive care visits during the study period.
Conclusions All groups of children received less preventive care than recommended by the American Academy of Pediatrics. Children who
switched primary care doctors had higher utilization of health care, including primary care, ED, and specialty care. Contrary
to expectations, they were more likely to be up to date with preventive care visits. The heavy utilization of health services
by doctor switchers indicates that this subgroup of children on Medicaid may not be at risk for poor access to health care,
but additional research is needed to determine whether the quality of care is related to doctor switching.
Presented in part at the Pediatric Academic Societies 1996 Annual Meeting, Washington, DC, May 8, 1996.
This work was supported in part by a Frank Disney Scholarship through the Strong Children's Research Center, University of
Rochester School of Medicine and Dentistry, and by National Research Service Award 1F32 HS00089-01 from the Agency for Health
Care Policy and Research. |
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