Location-allocation and accessibility models for improving the spatial planning of public health services

PloS One
Gina PoloRicardo Augusto Dias

Abstract

This study integrated accessibility and location-allocation models in geographic information systems as a proposed strategy to improve the spatial planning of public health services. To estimate the spatial accessibility, we modified the two-step floating catchment area (2SFCA) model with a different impedance function, a Gaussian weight for competition among service sites, a friction coefficient, distances along a street network based on the Dijkstra's algorithm and by performing a vectorial analysis. To check the accuracy of the strategy, we used the data from the public sterilization program for the dogs and cats of Bogot´a, Colombia. Since the proposed strategy is independent of the service, it could also be applied to any other public intervention when the capacity of the service is known. The results of the accessibility model were consistent with the sterilization program data, revealing that the western, central and northern zones are the most isolated areas under the sterilization program. Spatial accessibility improvement was sought by relocating the sterilization sites using the maximum coverage with finite demand and the p-median models. The relocation proposed by the maximum coverage model more effectively maximize...Continue Reading

References

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Citations

Feb 19, 2016·Traffic Injury Prevention·Cora PetersonDavid Sullivan
Dec 17, 2016·International Journal of Environmental Research and Public Health·Hone-Jay ChuTa-Chien Chan
Dec 25, 2016·Preventive Veterinary Medicine·Vitor Salvador Picão Gonçalves, Geraldo Marcos de Moraes
Dec 5, 2017·Frontiers in Public Health·Luca Salmasi, Enrico Capobianco
Jul 19, 2018·International Journal of Environmental Research and Public Health·Jing LuoSiyun Chen
Jul 20, 2018·American Journal of Public Health·Zan M DodsonRonald Roth
Feb 13, 2019·International Journal of Environmental Research and Public Health·Shaoyao ZhangWei Deng
Nov 22, 2016·Biomédica : revista del Instituto Nacional de Salud·Stefany MonsalveGina Polo
Dec 2, 2020·Proceedings of the National Academy of Sciences of the United States of America·Giacomo FalchettaSoheil Shayegh
Dec 8, 2016·The Journal of Bone and Joint Surgery. American Volume·Barclay T StewartRobert Quansah

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