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BMC Palliative Care
Published in: BMC Palliative Care 1/2017

Open Access 01-12-2017 | Research article

Measuring geographical accessibility to palliative and end of life (PEoLC) related facilities: a comparative study in an area with well-developed specialist palliative care (SPC) provision

Authors: Clare Pearson, Julia Verne, Claudia Wells, Giovanna M. Polato, Irene J Higginson, Wei Gao

Published in: BMC Palliative Care | Issue 1/2017

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Abstract

Background

Geographical accessibility is important in accessing healthcare services. Measuring it has evolved alongside technological and data analysis advances. High correlations between different methods have been detected, but no comparisons exist in the context of palliative and end of life care (PEoLC) studies. To assess how geographical accessibility can affect PEoLC, selection of an appropriate method to capture it is crucial.
We therefore aimed to compare methods of measuring geographical accessibility of decedents to PEoLC-related facilities in South London, an area with well-developed SPC provision.

Methods

Individual-level death registration data in 2012 (n = 18,165), from the Office for National Statistics (ONS) were linked to area-level PEoLC-related facilities from various sources. Simple and more complex measures of geographical accessibility were calculated using the residential postcodes of the decedents and postcodes of the nearest hospital, care home and hospice. Distance measures (straight-line, travel network) and travel times along the road network were compared using geographic information system (GIS) mapping and correlation analysis (Spearman rho).

Results

Borough-level maps demonstrate similarities in geographical accessibility measures. Strong positive correlation exist between straight-line and travel distances to the nearest hospital (rho = 0.97), care home (rho = 0.94) and hospice (rho = 0.99). Travel times were also highly correlated with distance measures to the nearest hospital (rho range = 0.84–0.88), care home (rho = 0.88–0.95) and hospice (rho = 0.93–0.95). All correlations were significant at p < 0.001 level.

Conclusions

Distance-based and travel-time measures of geographical accessibility to PEoLC-related facilities in South London are similar, suggesting the choice of measure can be based on the ease of calculation.
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Metadata
Title
Measuring geographical accessibility to palliative and end of life (PEoLC) related facilities: a comparative study in an area with well-developed specialist palliative care (SPC) provision
Authors
Clare Pearson
Julia Verne
Claudia Wells
Giovanna M. Polato
Irene J Higginson
Wei Gao
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Palliative Care / Issue 1/2017
Electronic ISSN: 1472-684X
DOI
https://doi.org/10.1186/s12904-017-0185-0

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