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Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China

Department of Preventive Medicine, School of Health Sciences, Wuhan University, 185 Donghu Road, Wuhan 430071, China
Global Health Institute, Wuhan University, 8 Donghunan Road, Wuhan 430072, China
Office of Chronic Disease, Hubei Provincial Center for Disease Control and Prevention, 6 Zhuodaoquan Road, Wuhan 430079, China
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2017, 14(8), 891;
Received: 17 June 2017 / Revised: 11 July 2017 / Accepted: 23 July 2017 / Published: 8 August 2017
(This article belongs to the Special Issue Climate Change and Human Health)
PDF [800 KB, uploaded 15 August 2017]


Diurnal temperature range (DTR) is an important meteorological indicator associated with global climate change, and has been linked with mortality and morbidity in previous studies. To date, however, little evidence has been available regarding the association of DTR with years of life lost (YLL). This study aimed to evaluate the DTR-related burden on both YLL and mortality. We collected individual records of all registered deaths and daily meteorological data in Wuhan, central China, between 2009 and 2012. For the whole population, every 1 °C increase in DTR at a lag of 0–1 days was associated with an increase of 0.65% (95% CI: 0.08–1.23) and 1.42 years (−0.88–3.72) for mortality and YLL due to non-accidental deaths, respectively. Relatively stronger DTR-mortality/YLL associations were found for cardiovascular deaths. Subgroup analyses (stratified by gender, age, and education level) showed that females, the elderly (75+ years old), and those with higher education attainment (7+ years) suffered more significantly from both increased YLL and mortality due to large DTR. Our study added additional evidence that short-term exposure to large DTR was associated with increased burden of premature death using both mortality incidence and YLL. View Full-Text
Keywords: climate change; diurnal temperature range; mortality; years of life lost; China climate change; diurnal temperature range; mortality; years of life lost; China

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Zhang, Y.; Yu, C.; Yang, J.; Zhang, L.; Cui, F. Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China. Int. J. Environ. Res. Public Health 2017, 14, 891.

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