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The predictive power of health system environments: a novel approach for explaining inequalities in access to maternal healthcare

Sochas, Laura (2020) The predictive power of health system environments: a novel approach for explaining inequalities in access to maternal healthcare. BMJ Global Health, 4 (Suppl 5). ISSN 2059-7908

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Identification Number: 10.1136/bmjgh-2019-002139

Abstract

Introduction The growing use of Geographic Information Systems (GIS) to link population-level data to health facility data is key for the inclusion of health system environments in analyses of health disparities. However, such approaches commonly focus on just a couple of aspects of the health system environment and only report on the average and independent effect of each dimension. Methods Using GIS to link Demographic and Health Survey data on births (2008-13/14) to Service Availability and Readiness Assessment data on health facilities (2010) in Zambia, this paper rigorously measures the multiple dimensions of an accessible health system environment. Using multilevel Bayesian methods (multilevel analysis of individual heterogeneity and discriminatory accuracy), it investigates whether multidimensional health system environments defined with reference to both geographic and social location cut across individual-level and community-level heterogeneity to reliably predict facility delivery. Results Random intercepts representing different health system environments have an intraclass correlation coefficient of 25%, which demonstrates high levels of discriminatory accuracy. Health system environments with four or more access barriers are particularly likely to predict lower than average access to facility delivery. Including barriers related to geographic location in the non-random part of the model results in a proportional change in variance of 74% relative to only 27% for barriers related to social discrimination. Conclusions Health system environments defined as a combination of geographic and social location can effectively distinguish between population groups with high versus low probabilities of access. Barriers related to geographic location appear more important than social discrimination in the context of Zambian maternal healthcare access. Under a progressive universalism approach, resources should be disproportionately invested in the worst health system environments.

Item Type: Article
Official URL: https://gh.bmj.com/
Additional Information: © 2020 The Author
Divisions: LSE Health
International Development
Statistics
Social Policy
Subjects: R Medicine > RA Public aspects of medicine
H Social Sciences > HV Social pathology. Social and public welfare. Criminology
Date Deposited: 13 Jan 2020 12:24
Last Modified: 28 Feb 2024 00:27
URI: http://eprints.lse.ac.uk/id/eprint/103045

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