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Zhou, L.* ; Liu, C.* ; He, C. ; Lei, J.* ; Zhu, Y.* ; Gao, Y.* ; Xuan, J.* ; Kan, H.* ; Chen, R.*

Quantification of the heat-related risk and burden of hospitalizations for cause-specific injuries and contribution of human-induced climate change: A time-stratified case-crossover study in China.

Environ. Health Perspect. 132:57005 (2024)
Publ. Version/Full Text DOI PMC
Open Access Gold
BACKGROUND: Although ambient temperature has been linked with injury incidence, there have been few nationwide studies to quantify the temperature-related risk and burden of cause-specific injury hospitalizations. Additionally, the impact of human-induced climate change to injury burden remains unknown. OBJECTIVES: Our objectives are to examine the associations between ambient temperature and injury hospitalizations from various causes and to quantify the contribution of human-induced warming to the heat-related burden. METHODS: We collected injury hospitalization data from a nationwide hospital-based registry in China during 2000-2019. Using a time-stratified case-crossover design, we investigated the associations between daily mean temperature (°C) and cause-specific injury hospitalizations. We also quantified the burden of heat-related injuries under the scenarios with and without anthropogenic forcing, using the Detection and Attribution Model Intercomparison Project to assess the contribution of human-induced warming. RESULTS: Our study included a total of 988,087 patients with hospitalization records for injuries. Overall, compared to the temperature at minimum risk of hospitalization (-12.1°C), the relative risk of hospitalization at extreme hot temperature (30.8°C, 97.5th percentile) was 1.18 [95% confidence interval (CI): 1.14, 1.22], with an approximately linear association between temperature and hospitalization. Vulnerability to heat-related injuries was more pronounced among males, young (<18 years of age) or middle-aged (45-64 years of age) individuals, and those living in the North. The heat-related attributable fraction increased from 23.2% in the 2000s to 23.6% in the 2010s, with a corresponding increase in the contribution of human-induced change over time. In the 2010s, the heat-related attributable fractions for specific causes of injury ranged from 12.4% to 54.4%, with human-induced change accounting for 6.7% to 10.6% of the burden. DISCUSSION: This nationwide study presents new evidence of significant associations between temperature and cause-specific injury hospitalizations in China and highlights the increasing contribution of human-induced warming to the injury burden. https://doi.org/10.1289/EHP14057.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Occupational Injuries; Excess Mortality; Workers; Weather; Health; Temperatures; Association; Trauma
Language english
Publication Year 2024
HGF-reported in Year 2024
ISSN (print) / ISBN 0091-6765
e-ISSN 1552-9924
Journal Environmental Health Perspectives
Quellenangaben Volume: 132, Issue: 5, Pages: , Article Number: 57005 Supplement: ,
Publisher Research Triangle Park
Publishing Place NC [u.a.]
Reviewing status Peer reviewed
Institute(s) Institute of Epidemiology (EPI)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Genetics and Epidemiology
PSP Element(s) G-504000-001
Grants Shanghai 3-year Public Health Action Plan
Shanghai International Science and Technology Partnership Project
Shanghai B&R Joint Laboratory Project
Shanghai Municipal Science and Technology Major Project
DOI 10.1289/EHP14057
WOS ID 001292441700012
Scopus ID 85193382120
PubMed ID 38752990
Erfassungsdatum 2024-06-12
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