Journal
JOURNAL OF PUBLIC HEALTH
Volume 42, Issue 2, Pages 333-339Publisher
OXFORD UNIV PRESS
DOI: 10.1093/pubmed/fdz033
Keywords
climate change; emergency department admissions; extreme heat events; heatwave; public health; tasmania
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Background Extreme heat (EH) events are increasing in frequency and duration and cause more deaths in Australia than any other extreme weather event. Consequently, EH events lead to an increase in the number of patient presentations to hospitals. Methods Climatic observations for Hobart's region arid Royal Hobart Hospital (RHH) emergency department admissions data were collected retrospectively for the study period of 2003-2010. A distributed lag non-linear model (DLNM) was fitted using a generalized linear model with quasi-Poisson family to obtain adjusted estimates for the relationship between temperature and the relative risk of being admitted to the RHH. Results The model demonstrated that relative to the annual mean temperature of 14 degrees C, the relative risk of being admitted to the RHH for the years 2003-2010 was significantly higher for all temperatures above 27 degrees C (P < 0.05 in all cases). The peak effect upon admission was noted on the same day as the EH event, however, the model suggests that a lag effect exists, increasing the likelihood of admission to the RHH for a further 14 days. Conclusions To relieve the added burden on emergency departments during these events, adaptation strategies adopted by public health organizations could include preventative health initiatives.
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