Multi-modal two-step floating catchment area analysis of primary health care accessibility

Health & Place
Mitchel LangfordRichard Fry

Abstract

Two-step floating catchment area (2SFCA) techniques are popular for measuring potential geographical accessibility to health care services. This paper proposes methodological enhancements to increase the sophistication of the 2SFCA methodology by incorporating both public and private transport modes using dedicated network datasets. The proposed model yields separate accessibility scores for each modal group at each demand point to better reflect the differential accessibility levels experienced by each cohort. An empirical study of primary health care facilities in South Wales, UK, is used to illustrate the approach. Outcomes suggest the bus-riding cohort of each census tract experience much lower accessibility levels than those estimated by an undifferentiated (car-only) model. Car drivers' accessibility may also be misrepresented in an undifferentiated model because they potentially profit from the lower demand placed upon service provision points by bus riders. The ability to specify independent catchment sizes for each cohort in the multi-modal model allows aspects of preparedness to travel to be investigated.

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Citations

Feb 13, 2019·International Journal of Environmental Research and Public Health·Shaoyao ZhangWei Deng
Aug 25, 2018·International Journal of Health Geographics·Yan LinAngela Davies
Jul 18, 2020·International Journal of Environmental Research and Public Health·Sunwei LiuYitong Kang
Aug 24, 2017·International Journal of Health Geographics·Philippe ApparicioÉric Robitaille
Mar 6, 2019·BMC Health Services Research·Paul L DelamaterRachel C Kilcoyne
Sep 20, 2019·International Journal of Environmental Research and Public Health·Wei HuMo Su
Mar 27, 2019·International Journal of Environmental Research and Public Health·Langjiao LiXiangyuan Ma
Nov 28, 2020·International Journal of Health Geographics·Weicong LuoXiaoxiang Zhang
May 1, 2021·International Journal of Environmental Research and Public Health·Yuehong ChenYu Chen
Aug 18, 2021·Risk Analysis : an Official Publication of the Society for Risk Analysis·Armita KarSteven L Lizotte

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