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The impact of heatwaves on mortality in Australia: a multicity study

BMJ open, 2014-02, Vol.4 (2), p.e003579-e003579 [Peer Reviewed Journal]

Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions ;Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions 2014 This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/3.0/ Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions 2014 ;ISSN: 2044-6055 ;EISSN: 2044-6055 ;DOI: 10.1136/bmjopen-2013-003579 ;PMID: 24549159

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  • Title:
    The impact of heatwaves on mortality in Australia: a multicity study
  • Author: Tong, Shilu ; Wang, Xiao Yu ; Yu, Weiwei ; Chen, Dong ; Wang, Xiaoming
  • Subjects: Adolescent ; Adult ; Age groups ; Aged ; Australia - epidemiology ; Central business districts ; Child ; Child, Preschool ; Cities ; Climate ; Epidemiology ; Female ; Gender ; Heat Stress Disorders - mortality ; Humans ; Humidity ; Infant ; Infant, Newborn ; Male ; Middle Aged ; Mortality ; Population ; Seasons ; Variables
  • Is Part Of: BMJ open, 2014-02, Vol.4 (2), p.e003579-e003579
  • Description: Objectives To assess the heterogeneity of heatwave-related impacts on mortality across different cities. Design A multicity time series study. Setting 3 largest Australian cities: Brisbane, Melbourne and Sydney. Participants All residents living in these cities. Main outcome measures Non-external causes mortality data by gender and two age groups (ie, 0–75 and 75+) for these cities during the period 1988–2009 were obtained from relevant government agencies. Results Total mortality increased mostly within the same day (lag 0) or a lag of 1 day (lag 1) during almost all heatwaves in three cities. Using the heatwave definition (HWD) as the 95th centile of mean temperature for two or more consecutive days in the summer season, the relative risk for total mortality at lag 1 in Brisbane, Melbourne and Sydney was 1.13 (95% CI 1.08 to 1.19), 1.10 (95% CI 1.06 to 1.14) and 1.06 (95% CI 1.01 to 1.10), respectively. Using the more stringent HWD—the 99th centile of mean temperature for two or more consecutive days, the relative risk of total mortality at the lags of 0–2 days in Brisbane and Melbourne was 1.40 (95% CI 1.29 to 1.51) and 1.47 (95% CI 1.36 to 1.59), respectively. Elderly, particularly females, were more vulnerable to the impact of heatwaves. Conclusions A consistent and significant increase in mortality was observed during heatwaves in the three largest Australian cities, but the impacts of heatwave appeared to vary with age, gender, the HWD and geographical area.
  • Publisher: England: BMJ Publishing Group LTD
  • Language: English
  • Identifier: ISSN: 2044-6055
    EISSN: 2044-6055
    DOI: 10.1136/bmjopen-2013-003579
    PMID: 24549159
  • Source: ProQuest One Psychology
    BMJ Open Access Journals
    GFMER Free Medical Journals
    MEDLINE
    PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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