Mortality Risk of Hot Nights: A Nationwide Population-Based Retrospective Study in Japan.


Journal

Environmental health perspectives
ISSN: 1552-9924
Titre abrégé: Environ Health Perspect
Pays: United States
ID NLM: 0330411

Informations de publication

Date de publication:
05 2023
Historique:
medline: 15 5 2023
pubmed: 12 5 2023
entrez: 12 5 2023
Statut: ppublish

Résumé

The health effects of heat are well documented; however, limited information is available regarding the health risks of hot nights. Hot nights have become more common, increasing at a faster rate than hot days, making it urgent to understand the characteristics of the hot night risk. We estimated the effects of hot nights on the cause- and location-specific mortality in a nationwide assessment over 43 y (1973-2015) using a unified analytical framework in the 47 prefectures of Japan. Hot nights were defined as days with Overall, 24,721,226 deaths were included in this study. Nationally, all-cause mortality increased by 9%-10% [ Our findings support the evidence of mortality impacts from hot nights in excess of that explicable by daily mean temperature and have implications useful for establishing public health policy and research efforts estimating the health effects of climate change. https://doi.org/10.1289/EHP11444.

Sections du résumé

BACKGROUND
The health effects of heat are well documented; however, limited information is available regarding the health risks of hot nights. Hot nights have become more common, increasing at a faster rate than hot days, making it urgent to understand the characteristics of the hot night risk.
OBJECTIVES
We estimated the effects of hot nights on the cause- and location-specific mortality in a nationwide assessment over 43 y (1973-2015) using a unified analytical framework in the 47 prefectures of Japan.
METHODS
Hot nights were defined as days with
RESULTS
Overall, 24,721,226 deaths were included in this study. Nationally, all-cause mortality increased by 9%-10% [
CONCLUSIONS
Our findings support the evidence of mortality impacts from hot nights in excess of that explicable by daily mean temperature and have implications useful for establishing public health policy and research efforts estimating the health effects of climate change. https://doi.org/10.1289/EHP11444.

Identifiants

pubmed: 37172196
doi: 10.1289/EHP11444
pmc: PMC10181675
doi:

Types de publication

Journal Article Research Support, Non-U.S. Gov't

Langues

eng

Sous-ensembles de citation

IM

Pagination

57005

Subventions

Organisme : Medical Research Council
ID : MR/M022625/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/V034162/1
Pays : United Kingdom

Commentaires et corrections

Type : CommentIn

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Auteurs

Satbyul Estella Kim (SE)

Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan.

Masahiro Hashizume (M)

Department of Global Health Policy, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
School of Tropical Medicine and Global Health, Nagasaki University, Japan.

Ben Armstrong (B)

Department of Public Health Environments and Society, London School of Hygiene & Tropical Medicine, London, UK.

Antonio Gasparrini (A)

Department of Public Health Environments and Society, London School of Hygiene & Tropical Medicine, London, UK.
Centre for Statistical Methodology, London School of Hygiene & Tropical Medicine, London, UK.
Centre on Climate Change and Planetary Health, London School of Hygiene & Tropical Medicine, London, UK.

Kazutaka Oka (K)

Center for Climate Change Adaptation, National Institute for Environmental Studies, Tsukuba, Japan.

Yasuaki Hijioka (Y)

Center for Climate Change Adaptation, National Institute for Environmental Studies, Tsukuba, Japan.

Ana M Vicedo-Cabrera (AM)

Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.
Oeschger Center for Climate Change Research, University of Bern, Switzerland.

Yasushi Honda (Y)

Faculty of Health and Sport Sciences, University of Tsukuba, Tsukuba, Japan.
Center for Climate Change Adaptation, National Institute for Environmental Studies, Tsukuba, Japan.

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