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Increases in external cause mortality due to high and low temperatures: evidence from northeastern Europe
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. Department of Family Medicine and Public Health, University of Tartu, Tartu, Estonia.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Occupational and Environmental Medicine. Centre for Primary Health Care Research, Department of Clinical Science, Lund University, Lund, Sweden.
2016 (English)In: International journal of biometeorology, ISSN 0020-7128, E-ISSN 1432-1254Article in journal (Refereed) Epub ahead of print
Abstract [en]

The relationship between temperature and mortality is well established but has seldom been investigated in terms of external causes. In some Eastern European countries, external cause mortality is substantial. Deaths owing to external causes are the third largest cause of mortality in Estonia, after cardiovascular disease and cancer. Death rates owing to external causes may reflect behavioural changes among a population. The aim for the current study was to investigate if there is any association between temperature and external cause mortality, in Estonia. We collected daily information on deaths from external causes (ICD-10 diagnosis codes V00-Y99) and maximum temperatures over the period 1997-2013. The relationship between daily maximum temperature and mortality was investigated using Poisson regression, combined with a distributed lag non-linear model considering lag times of up to 10 days. We found significantly higher mortality owing to external causes on hot (the same and previous day) and cold days (with a lag of 1-3 days). The cumulative relative risks for heat (an increase in temperature from the 75th to 99th percentile) were 1.24 (95% confidence interval, 1.14-1.34) and for cold (a decrease from the 25th to 1st percentile) 1.19 (1.03-1.38). Deaths due to external causes might reflect changes in behaviour among a population during periods of extreme hot and cold temperatures and should therefore be investigated further, because such deaths have a severe impact on public health, especially in Eastern Europe where external mortality rates are high.

Place, publisher, year, edition, pages
Keyword [en]
Temperature-related mortality, External causes, Distributed lag non-linear models
National Category
Environmental Health and Occupational Health
URN: urn:nbn:se:umu:diva-127930DOI: 10.1007/s00484-016-1270-4PubMedID: 27858164OAI: diva2:1048212
Available from: 2016-11-21 Created: 2016-11-21 Last updated: 2017-01-19

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