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Health Place. 2013 Nov;24:115-22. doi: 10.1016/j.healthplace.2013.08.008. Epub 2013 Sep 12.

Measuring spatial accessibility to healthcare for populations with multiple transportation modes.

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Department of Geography, University of Florida, P.O. Box 117315, 3142 Turlington Hall, Gainesville, FL 32611, USA. Electronic address:


Few measures of healthcare accessibility have considered multiple transportation modes when people seek healthcare. Based on the framework of the 2 Step Floating Catchment Area Method (2SFCAM), we proposed an innovative method to incorporate transportation modes into the accessibility estimation. Taking Florida, USA, as a study area, we illustrated the implementation of the multi-mode 2SFCAM, and compared the accessibility estimates with those from the traditional single-mode 2SFCAM. The results suggest that the multi-modal method, by accounting for heterogeneity in populations, provides more realistic accessibility estimations, and thus offers a better guidance for policy makers to mitigate health inequity issues.


2 Step Floating Catchment Area Method (2SFCAM); Geographic information system (GIS); Healthcare accessibility; Transportation mode

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