Exploring for Municipality-Level Socioeconomic Variables Related to Zika Virus Incidence in Colombia

Marie Kellemen, Jun Ye and Max J. Moreno-Madriñan
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Marie Kellemen: Department of Global Health, Indiana University, Indianapolis, IN 46202, USA
Jun Ye: Department of Statistics, University of Akron, Akron, OH 44325, USA
Max J. Moreno-Madriñan: Department of Global Health, Indiana University, Indianapolis, IN 46202, USA

IJERPH, 2021, vol. 18, issue 4, 1-17

Abstract: Colombia experienced an outbreak of Zika virus infection during September 2015 until July 2016. This study aimed to identify the socioeconomic factors that at the municipality level correlate with this outbreak and therefore could have influenced its incidence. An analysis of publicly available, municipality-aggregated data related to eight potential explanatory socioeconomic variables was conducted. These variables are school dropout, low energy strata, social security system, savings capacity, tax, resources, investment, and debt. The response variable of interest in this study is the number of reported cases of Zika virus infection per people (projected) per square kilometer. Binomial regression models were performed. Results show that the best predictor variables of Zika virus occurrence, assuming an expected inverse relationship with socioeconomic status, are “school”, “energy”, and “savings”. Contrary to expectations, proxies of socioeconomic status such as “investment”, “tax”, and “resources” were associated with an increase in the occurrence of Zika virus infection, while no association was detected for “social security” and “debt”. Energy stratification, school dropout rate, and the percentage of the municipality’s income that is saved conformed to the hypothesized inverse relationship between socioeconomic standing and Zika occurrence. As such, this study suggests these factors should be considered in Zika risk modeling.

Keywords: Zika; Colombia; socioeconomic; municipality; ecological study (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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