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Journal article
City-level impact of extreme temperatures and mortality in Latin America
Nature medicine, v 28(8), pp 1700-1705
01 Aug 2022
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Climate change and urbanization are rapidly increasing human exposure to extreme ambient temperatures, yet few studies have examined temperature and mortality in Latin America. We conducted a nonlinear, distributed-lag, longitudinal analysis of daily ambient temperatures and mortality among 326 Latin American cities between 2002 and 2015. We observed 15,431,532 deaths among ≈2.9 billion person-years of risk. The excess death fraction of total deaths was 0.67% (95% confidence interval (CI) 0.58–0.74%) for heat-related deaths and 5.09% (95% CI 4.64–5.47%) for cold-related deaths. The relative risk of death was 1.057 (95% CI 1.046–1.067%) per 1 °C higher temperature during extreme heat and 1.034 (95% CI 1.028–1.040%) per 1 °C lower temperature during extreme cold. In Latin American cities, a substantial proportion of deaths is attributable to nonoptimal ambient temperatures. Marginal increases in observed hot temperatures are associated with steep increases in mortality risk. These risks were strongest among older adults and for cardiovascular and respiratory deaths. An ecological analysis of 326 cities in 9 countries across Latin America found that changes in ambient temperature have a substantial contribution to all-cause mortality, with small increases in extreme heat associated with steep increases in mortality risk.
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Details
- Title
- City-level impact of extreme temperatures and mortality in Latin America
- Creators
- Josiah L Kephart - Drexel UniversityBrisa N Sánchez - Drexel UniversityJeffrey Moore - Drexel UniversityLeah H Schinasi - Drexel UniversityMaryia Bakhtsiyarava - University of California, BerkeleyYang Ju - University of California, BerkeleyNelson Gouveia - University of Sao PauloWaleska T Caiaffa - Universidade Federal de Minas GeraisIryna Dronova - University of California, BerkeleySaravanan Arunachalam - University of North Carolina at Chapel HillAna V Diez Roux - Drexel UniversityDaniel A Rodríguez - University of California, Berkeley
- Publication Details
- Nature medicine, v 28(8), pp 1700-1705
- Publisher
- Nature Publishing Group
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Urban Health Collaborative; Epidemiology and Biostatistics; Environmental and Occupational Health
- Web of Science ID
- WOS:000817012300003
- Scopus ID
- 2-s2.0-85132934674
- Other Identifier
- 991019168348604721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biochemistry & Molecular Biology
- Cell Biology
- Medicine, Research & Experimental