University Of Tasmania
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The value of local heatwave impact assessment: a case-crossover analysis of hospital emergency department presentations in Tasmania, Australia

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posted on 2023-05-20, 07:25 authored by Sharon CampbellSharon Campbell, Tomas Remenyi, Grant WilliamsonGrant Williamson, Christopher White, Fay JohnstonFay Johnston
Heatwaves have been identified as a threat to human health, with this impact projected to rise in a warming climate. Gaps in local knowledge can potentially undermine appropriate policy and preparedness actions. Using a case-crossover methodology, we examined the impact of heatwave events on hospital emergency department (ED) presentations in the two most populous regions of Tasmania, Australia, from 2008–2016. Using conditional logistic regression, we analyzed the relationship between ED presentations and severe/extreme heatwaves for the whole population, specific demographics including age, gender and socio-economic advantage, and diagnostic conditions that are known to be impacted in high temperatures. ED presentations increased by 5% (OR 1.05, 95% CI 1.01–1.09) across the whole population, by 13% (OR 1.13, 95% CI 1.03–1.24) for children 15 years and under, and by 19% (OR 1.19, 95% CI 1.04–1.36) for children 5 years and under. A less precise association in the same direction was found for those over 65 years. For diagnostic subgroups, non-significant increases in ED presentations were observed for asthma, diabetes, hypertension, and atrial fibrillation. These findings may assist ED surge capacity planning and public health preparedness and response activities for heatwave events in Tasmania, highlighting the importance of using local research to inform local practice.

History

Publication title

International Journal of Environmental Research and Public Health

Volume

16

Issue

19

Article number

3715

Number

3715

Pagination

1-14

ISSN

1661-7827

Department/School

Menzies Institute for Medical Research

Publisher

MDPIAG

Place of publication

Switzerland

Rights statement

Copyright 2019 The Author(s) Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

Repository Status

  • Open

Socio-economic Objectives

Health protection and disaster response