Can Individuals’ Beliefs Help Us Understand Non-Adherence to Malaria Test Results? Evidence from Rural Kenya

35 Pages Posted: 7 Feb 2017 Last revised: 11 Dec 2019

See all articles by Elisa M. Maffioli

Elisa M. Maffioli

University of Michigan at Ann Arbor - Department of Health Management and Policy

Wendy O'Meara

Duke University

Elizabeth Turner

Duke University - Department of Biostatistics and Bioinformatics

Manoj Mohanan

Duke University - Sanford School of Public Policy; Duke University - Department of Economics

Date Written: December 2019

Abstract

In malaria-endemic countries about a quarter of test-negative individuals take antimalarials (artemisinin-based combination therapies, ACTs). ACT overuse depletes scarce resources for subsidies and contributes to parasite resistance. As part of an experiment in Kenya that provided subsidies for rapid diagnostic test and/or for ACT conditionally on being positive, we study the relationship between beliefs on malaria status (prior and posterior the intervention), and the decisions to get tested and to purchase ACT. We find that prior beliefs do not explain the decision of getting tested (conditional on the price) and non-adherence to a negative test. However, test-negative individuals who purchase ACT report higher posterior beliefs than those who do not, consistent with a framework in which the formers revise beliefs upward, while the latters do not change or revise downward. Further research is needed to improve adherence to malaria-negative test results.

Keywords: Malaria, Diagnostic Test, Beliefs, Expectation, Adherence

Suggested Citation

Maffioli, Elisa M. and O'Meara, Wendy and Turner, Elizabeth and Mohanan, Manoj, Can Individuals’ Beliefs Help Us Understand Non-Adherence to Malaria Test Results? Evidence from Rural Kenya (December 2019). Economic Research Initiatives at Duke (ERID) Working Paper No. 243. Available at SSRN: https://ssrn.com/abstract=2912940 or http://dx.doi.org/10.2139/ssrn.2912940

Elisa M. Maffioli (Contact Author)

University of Michigan at Ann Arbor - Department of Health Management and Policy ( email )

109 Observatory
Ann Arbor, MI 48109-2029
United States

Wendy O'Meara

Duke University ( email )

100 Fuqua Drive
Durham, NC 27708-0204
United States

Elizabeth Turner

Duke University - Department of Biostatistics and Bioinformatics

Durham, NC 27708
United States

Manoj Mohanan

Duke University - Sanford School of Public Policy ( email )

201 Science Drive
Box 90312
Durham, NC 27708-0239
United States

Duke University - Department of Economics ( email )

213 Social Sciences Building
Box 90097
Durham, NC 27708-0204
United States

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