Int J Health Geogr - Optimization of preventive health care facility locations.

Tópicos

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Resumo

CKGROUND: Preventive health care programs can save lives and contribute to a better quality of life by diagnosing serious medical conditions early. The Preventive Health Care Facility Location (PHCFL) problem is to identify optimal locations for preventive health care facilities so as to maximize participation. When identifying locations for preventive health care facilities, we need to consider the characteristics of the preventive health care services. First, people should have more flexibility to select service locations. Second, each preventive health care facility needs to have a minimum number of clients in order to retain accreditation.RESULTS: This paper presents a new methodology for solving the PHCFL problem. In order to capture the characteristics of preventive health care services, we define a new accessibility measurement that combines the two-step floating catchment area method, distance factor, and the Huff-based competitive model. We assume that the accessibility of preventive health care services is a major determinant for participation in the service. Based on the new accessibility measurement, the PHCFL problem is formalized as a bi-objective model based on efficiency and coverage. The bi-objective model is solved using the Interchange algorithm. In order to accelerate the solving process, we implement the Interchange algorithm by building two new data structures, which captures the spatial structure of the PHCFL problem. In addition, in order to measure the spatial barrier between clients and preventive health care facilities accurately and dynamically, this paper estimates travelling distance and travelling time by calling the Google Maps Application Programming Interface (API).CONCLUSIONS: Experiments based on a real application for the Alberta breast cancer screening program show that our work can increase the accessibility of breast cancer screening services in the province.

Resumo Limpo

ckground prevent health care program can save live contribut better qualiti life diagnos serious medic condit earli prevent health care facil locat phcfl problem identifi optim locat prevent health care facil maxim particip identifi locat prevent health care facil need consid characterist prevent health care servic first peopl flexibl select servic locat second prevent health care facil need minimum number client order retain accreditationresult paper present new methodolog solv phcfl problem order captur characterist prevent health care servic defin new access measur combin twostep float catchment area method distanc factor huffbas competit model assum access prevent health care servic major determin particip servic base new access measur phcfl problem formal biobject model base effici coverag biobject model solv use interchang algorithm order acceler solv process implement interchang algorithm build two new data structur captur spatial structur phcfl problem addit order measur spatial barrier client prevent health care facil accur dynam paper estim travel distanc travel time call googl map applic program interfac apiconclus experi base real applic alberta breast cancer screen program show work can increas access breast cancer screen servic provinc

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