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Impacts of improved biomass cookstoves on child and adult health: Experimental evidence from rural Ethiopia

Daniel LaFave, Abebe Damte Beyene, Randall Bluffstone, Sahan Dissanayake (), Zenebe Gebreegziabher, Alemu Mekonnen and Michael Toman

World Development, 2021, vol. 140, issue C

Abstract: We present the three-year impacts of an improved biomass cookstove on child and adult health in rural Ethiopia. The Mirt stove is designed to cook injera, the staple bread of Ethiopia estimated to consume 60 percent of household cooking energy and about half of all energy in the country. Though it would not be considered a fully “clean” cooking technology and is not used on a daily basis, Mirt’s documented fuelwood reduction potential and application to the highly energy-intensive baking of injera raises the question of whether it might offer health benefits to users. After near complete stove adoption during an initial one-year randomized controlled trial, 60 percent of treatment households continued to use the improved stoves three-years on and experience moderate reductions in hazardous airborne particulate matter. In a pre-specified analysis, we find treatment status is associated with a precisely estimated 0.3–0.4 standard deviation improvement in height-for-age of young children exposed to the stoves during their first years of life–a substantial effect with implications for greater health and well-being throughout the life course. This association notwithstanding, we find no changes in the respiratory symptoms or physical functioning of older children and adult cooks. Measures of fine particulate matter taken within study households remain over an order of magnitude higher than WHO standards, but follow a statistically significant gradient with respect to the observed height-for-age improvements. The results advance understanding of the health impacts of hazardous air pollution while also refining design and implementation options for interventions geared toward improving well-being in similar environments.

Keywords: Height-for-age; Child growth; Household air pollution; Cookstoves; Ethiopia (search for similar items in EconPapers)
JEL-codes: I15 O13 Q23 Q42 Q55 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
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Working Paper: Impacts of Improved Biomass Cookstoves on Child and Adult Health: Experimental Evidence from Rural Ethiopia (2019) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:eee:wdevel:v:140:y:2021:i:c:s0305750x20304599

DOI: 10.1016/j.worlddev.2020.105332

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