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Spatial Accessibility to Primary Care and Physician Shortage Area Designation: A Case Study in Illinois with GIS Approaches

Spatial Accessibility to Primary Care and Physician Shortage Area Designation: A Case Study in Illinois with GIS Approaches

Wei Luo, Fahui Wang
Copyright: © 2003 |Pages: 19
ISBN13: 9781591400424|ISBN10: 1591400422|EISBN13: 9781591400769
DOI: 10.4018/978-1-59140-042-4.ch015
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MLA

Luo, Wei, and Fahui Wang. "Spatial Accessibility to Primary Care and Physician Shortage Area Designation: A Case Study in Illinois with GIS Approaches." Geographic Information Systems and Health Applications, edited by Omar A. Khan and Ric Skinner, IGI Global, 2003, pp. 261-279. https://doi.org/10.4018/978-1-59140-042-4.ch015

APA

Luo, W. & Wang, F. (2003). Spatial Accessibility to Primary Care and Physician Shortage Area Designation: A Case Study in Illinois with GIS Approaches. In O. Khan & R. Skinner (Eds.), Geographic Information Systems and Health Applications (pp. 261-279). IGI Global. https://doi.org/10.4018/978-1-59140-042-4.ch015

Chicago

Luo, Wei, and Fahui Wang. "Spatial Accessibility to Primary Care and Physician Shortage Area Designation: A Case Study in Illinois with GIS Approaches." In Geographic Information Systems and Health Applications, edited by Omar A. Khan and Ric Skinner, 261-279. Hershey, PA: IGI Global, 2003. https://doi.org/10.4018/978-1-59140-042-4.ch015

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Abstract

This chapter introduces two new GIS-supported methods of measuring accessibility to primary healthcare. The improved floating catchment method defines the service area of physicians by a threshold travel time while accounting for the availability of physicians. The gravity-based accessibility method considers two factors: travel times from service providers (a nearby supply is more accessible than a remote one) and competition intensity by residents for such a service (measured by gravity-based potential). The methods are applied to examining accessibility to primary care in the northern Illinois region in 1990 and 2000. The GIS-based methods may be used to help the U.S. Department of Health and Human Services and state health departments define health professional shortage areas.

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