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ID 119627
Author
Kitamura, Hiroe Kagawa University|Shikoku Medical College
Suzuki, Hiromi Kagawa University
Mori, Yoshiro Kagawa University|Tokushima University
Bando, Masaki Kagawa University|Kenshokai College of Health and Welfare
Yamamoto, Yukio Kagawa University|Shikoku Medical College
Maekawa, Yasuko Kansai University of Social Welfare
Miyatake, Nobuyuki Kagawa University
Keywords
ecological study
okinawa
hokkaido
air temperature
number of deaths
Content Type
Journal Article
Description
Background
Some literature reports an association between air temperature and mortality in certain diseases. However, the relationships between air temperature parameters and all causes of death have not been thoroughly explored in Japan.
Objective
This study examined the relationships between the number of deaths from the 10 leading causes and air temperature parameters in Hokkaido (the northernmost region) and Okinawa (the southernmost region) prefectures in Japan.
Methods
We collected monthly data on the number of deaths from the 10 leading causes and air temperature parameters in Hokkaido and Okinawa prefectures from January 2008 to December 2022 using information from official sources. Annual population data for each prefecture were also obtained. The relationships between the number of deaths and air temperature parameters were assessed through an ecological study.
Results
The mean air temperature was 9.59 ± 9.23 °C in Hokkaido and 23.46 ± 4.37 °C in Okinawa, with all temperature parameters significantly lower in Hokkaido than in Okinawa. The number of deaths from the 10 leading causes, excluding aspiration pneumonia, was significantly higher in Hokkaido for both sexes compared to Okinawa. In Hokkaido, deaths due to heart disease, cerebrovascular disease, pneumonia, accidents, and renal failure showed a significant correlation with all air temperature parameters for both sexes. In Okinawa, heart disease and cerebrovascular disease deaths were correlated with all air temperature parameters for both sexes.
Conclusions
The relationships between the number of deaths from the 10 leading causes and air temperature parameters differed between Hokkaido and Okinawa prefectures in Japan.
Journal Title
Cureus
ISSN
21688184
Publisher
Springer Nature
Volume
16
Issue
8
Start Page
e68291
Published Date
2024-08-31
Rights
This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY4.0. (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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language
eng
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