Comparing summary measures of quality of care for family planning in Haiti, Malawi, and Tanzania

Lindsay Mallick, Gheda Temsah and Wenjuan Wang

PLOS ONE, 2019, vol. 14, issue 6, 1-18

Abstract: Measuring quality of care in family planning services is essential for policymakers and stakeholders. However, there is limited agreement on which mathematical approaches are best able to summarize quality of care. Our study used data from recent Service Provision Assessment surveys in Haiti, Malawi, and Tanzania to compare three methods commonly used to create summary indices of quality of care—a simple additive, a weighted additive that applies equal weights among domains, and principal components analysis (PCA) based methods. The PCA results indicated that the first component cannot sufficiently summarize quality of care. For each scoring method, we categorized family planning facilities into low, medium, and high quality and assessed the agreement with Cohen’s kappa coefficient between pairs of scores. We found that the agreement was generally highest between the simple additive and PCA rankings. Given the limitations of simple additive measures, and the findings of the PCA, we suggest using a weighted additive method.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0217547

DOI: 10.1371/journal.pone.0217547

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