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The association between heatwaves and risk of hospitalization in Brazil: A nationwide time series study between 2000 and 2015

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  • Qi Zhao
  • Shanshan Li
  • Micheline S Z S Coelho
  • Paulo H N Saldiva
  • Kejia Hu
  • Rachel R Huxley
  • Michael J Abramson
  • Yuming Guo

Abstract

Background: To our knowledge, no study has assessed the association between heatwaves and risk of hospitalization and how it may change over time in Brazil. We quantified the heatwave–hospitalization association in Brazil during 2000–2015. Methods and findings: Daily data on hospitalization and temperature were collected from 1,814 cities (>78% of the national population) in the hottest five consecutive months during 2000–2015. Twelve types of heatwaves were defined with daily mean temperatures of ≥90th, 92.5th, 95th, or 97.5th percentiles of year-round temperature and durations of ≥2, 3, or 4 consecutive days. The city-specific association was estimated using a quasi-Poisson regression with constrained distributed lag model and then pooled at the national level using random-effect meta-analysis. Stratified analyses were performed by five regions, sex, 10 age groups, and nine cause categories. The temporal change in the heatwave–hospitalization association was assessed using a time-varying constrained distributed lag model. Of the 58,400,682 hospitalizations (59% women), 24%, 34%, 21%, and 19% of cases were aged

Suggested Citation

  • Qi Zhao & Shanshan Li & Micheline S Z S Coelho & Paulo H N Saldiva & Kejia Hu & Rachel R Huxley & Michael J Abramson & Yuming Guo, 2019. "The association between heatwaves and risk of hospitalization in Brazil: A nationwide time series study between 2000 and 2015," PLOS Medicine, Public Library of Science, vol. 16(2), pages 1-16, February.
    • Handle: RePEc:plo:pmed00:1002753
    DOI: 10.1371/journal.pmed.1002753
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    Cited by:

    1. Jonathan Chambers, 2020. "Global and cross-country analysis of exposure of vulnerable populations to heatwaves from 1980 to 2018," Climatic Change, Springer, vol. 163(1), pages 539-558, November.
    2. Mazzone, Antonella, 2020. "Thermal comfort and cooling strategies in the Brazilian Amazon. An assessment of the concept of fuel poverty in tropical climates," Energy Policy, Elsevier, vol. 139(C).
    3. Fadly Syah Arsad & Rozita Hod & Norfazilah Ahmad & Mazni Baharom & Fredolin Tangang, 2022. "The Malay-Version Knowledge, Risk Perception, Attitude and Practice Questionnaire on Heatwaves: Development and Construct Validation," IJERPH, MDPI, vol. 19(4), pages 1-11, February.
    4. Fadly Syah Arsad & Rozita Hod & Norfazilah Ahmad & Rohaida Ismail & Norlen Mohamed & Mazni Baharom & Yelmizaitun Osman & Mohd Firdaus Mohd Radi & Fredolin Tangang, 2022. "The Impact of Heatwaves on Mortality and Morbidity and the Associated Vulnerability Factors: A Systematic Review," IJERPH, MDPI, vol. 19(23), pages 1-22, December.
    5. Barun Mukhopadhyay & Charles A. Weitz, 2022. "Heat Exposure, Heat-Related Symptoms and Coping Strategies among Elderly Residents of Urban Slums and Rural Vilages in West Bengal, India," IJERPH, MDPI, vol. 19(19), pages 1-20, September.

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