Universidad Peruana Cayetano Heredia

Revealing the air pollution burden associated with internal migration in Peru

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dc.contributor.author Carrasco Escobar, Gabriel
dc.contributor.author Schwarz, Lara
dc.contributor.author Miranda, J. Jaime
dc.contributor.author Benmarhnia, Tarik
dc.date.accessioned 2020-07-14T00:01:00Z
dc.date.available 2020-07-14T00:01:00Z
dc.date.issued 2020
dc.identifier.uri https://hdl.handle.net/20.500.12866/8251
dc.description.abstract This study aims to quantify changes in outdoor (ambient) air pollution exposure from different migration patterns within Peru and quantify its effect on premature mortality. Data on ambient fine particulate matter (PM2.5) was obtained from the National Aeronautics and Space Administration (NASA). Census data was used to calculate rates of within-country migration at the district level. We calculated differences in PM2.5 exposure between “current” (2016–2017) and “origin” (2012) districts for each migration patterns. Using an exposure-response relationship for PM2.5 extracted from a meta-analysis, and mortality rates from the Peruvian Ministry of Health, we quantified premature mortality attributable to each migration pattern. Changes in outdoor PM2.5 exposure were observed between 2012 and 2016 with highest levels of PM2.5 in the Department of Lima. A strong spatial autocorrelation of outdoor PM2.5 values (Moran’s I = 0.847, p-value=0.001) was observed. In Greater Lima, rural-to-urban and urban-to-urban migrants experienced 10-fold increases in outdoor PM2.5 exposure in comparison with non-migrants. Changes in outdoor PM2.5 exposure due to migration drove 137.1 (95%CI: 93.2, 179.4) premature deaths related to air pollution, with rural-urban producing the highest risk of mortality from exposure to higher levels of ambient air pollution. Our results demonstrate that the rural-urban and urban-urban migrant groups have higher rates of air pollution-related deaths. en_US
dc.description.sponsorship Este trabajo fue financiado por FONDECYT via CIENCIACTIVA/CONCYTEC [número de contrato 223-2018, 224-2018]. es_PE
dc.language.iso eng
dc.publisher Springer Nature
dc.relation.ispartofseries Scientific Reports
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Peru en_US
dc.subject controlled study en_US
dc.subject human en_US
dc.subject mortality rate en_US
dc.subject mortality risk en_US
dc.subject article en_US
dc.subject migrant en_US
dc.subject meta analysis en_US
dc.subject air pollution en_US
dc.subject particulate matter en_US
dc.subject quantitative analysis en_US
dc.subject ambient air en_US
dc.subject autocorrelation en_US
dc.subject premature mortality en_US
dc.title Revealing the air pollution burden associated with internal migration in Peru en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1038/s41598-020-64043-y
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.09
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.05
dc.relation.issn 2045-2322


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