Evaluating the Accessibility of Healthcare Facilities Using an Integrated Catchment Area Approach

International Journal of Environmental Research and Public Health
Xiaofang PanBo Wan

Abstract

Accessibility is a major method for evaluating the distribution of service facilities and identifying areas in shortage of service. Traditional accessibility methods, however, are largely model-based and do not consider the actual utilization of services, which may lead to results that are different from those obtained when people's actual behaviors are taken into account. Based on taxi GPS trajectory data, this paper proposed a novel integrated catchment area (ICA) that integrates actual human travel behavior to evaluate the accessibility to healthcare facilities in Shenzhen, China, using the enhanced two-step floating catchment area (E2SFCA) method. This method is called the E2SFCA-ICA method. First, access probability is proposed to depict the probability of visiting a healthcare facility. Then, integrated access probability (IAP), which integrates model-based access probability (MAP) and data-based access probability (DAP), is presented. Under the constraint of IAP, ICA is generated and divided into distinct subzones. Finally, the ICA and subzones are incorporated into the E2SFCA method to evaluate the accessibility of the top-tier hospitals in Shenzhen, China. The results show that the ICA not only reduces the differences ...Continue Reading

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Citations

Apr 3, 2019·International Journal of Environmental Research and Public Health·Meihan JinYu Liu
Jan 13, 2019·International Journal of Environmental Research and Public Health·Amritpal Kaur KhakhRizwan Shahid
Jul 29, 2020·Database : the Journal of Biological Databases and Curation·Dinesh Pal MudaranthakamHope Krebill
Apr 4, 2021·International Journal of Environmental Research and Public Health·Ana LouroEduarda Marques da Costa
Aug 8, 2021·International Journal of Environmental Research and Public Health·Fangye DuHaitao Jin
Aug 13, 2021·Health Research Policy and Systems·David Kaawa MafigiriHenry Luzze

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