ArticleJournal of public health in Africa2025
Hydropower development and malaria transmission: A geospatial econometric study.
Article in Journal of public health in Africa, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: In Western Africa, the causal relationship between hydropower project implementation and malaria transmission, remains understudied. Aim: This study assesses whether a causal correlation exists between hydropower development and malaria transmission outcomes across locally affected communities, using malaria incidence and prevalence as key indicators. Malaria incidence is measured as the number of clinical Setting: The study was conducted in Ghana, Côte d'Ivoire, and Gabon. Methods: Utilising multivariate Difference-in-Differences (DiD) regression models and geospatial analysis across pre- and post-dam periods, this study evaluates malaria outcomes within 15 km of hydropower sites. Results: The DiD estimator (Treatment_Post variable) suggests no statistically significant increase in malaria transmission following hydropower project implementation. Estimated effects are insignificant in Côte d'Ivoire (incidence: Conclusion: Hydropower presence alone is not a primary driver of malaria dynamics. Contribution: This study provides the first large-scale geospatial analysis of malaria trends across hydropower projects in Western Africa, challenging traditional assumptions of a direct causal link and highlighting the need for interventions shaped by environmental and socio-economic factors.
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