Ambient Temperature and Mortality in Chinese Population

  • Xiaojie Wang
  • Zengliang Ruan
  • Yin Yang
  • Siqi Ai
  • Lingli Zhang
  • Xiangyan Sun
  • Hualiang LinEmail author


Numerous evidence revealed that climate change could have adverse effects on human health, while in developing countries, especially in China, less evidence covering different climatic zones is available due to data unavailability. We searched studies which investigated the association between ambient temperature and mortalities in six databases. We performed random-effects model to calculate pooled estimated for mortalities in association with per 1 °C increase (or decrease). We finally included 17 in 819 identified articles. Short-term exposures to inappropriate temperature were significantly associated with mortalities, per 1 °C increase corresponded to a 1.2% (95% CI: 1.1%, 1.3%) increase in all-cause mortality, a 2.6% (95% CI: 2.4%, 2.9%) increase in cardiovascular mortality, and a 1.2% (95% CI: 1.0%, 1.3%) increase in respiratory mortality. And each 1 °C decrease caused a 3.1% (95% CI: 2.7%, 3.5%) in all-cause mortality, a 1.5% (95% CI: 1.2%, 1.9%) increase in cardiovascular mortality, and a 3.3% (95% CI: 2.8%, 3.9%) increase in respiratory mortality. Our findings indicated that the increase and decrease in ambient temperature have relationships with mortalities among Chinese population and cold effect was more durable and pronounced than hot effect.


Mortality Temperature China Heat exposure Cold exposure 



We are grateful for the support of National Key R&D Program of China (Grant No: 2018YFA0606200).


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Xiaojie Wang
    • 1
  • Zengliang Ruan
    • 1
  • Yin Yang
    • 1
  • Siqi Ai
    • 1
  • Lingli Zhang
    • 1
  • Xiangyan Sun
    • 1
  • Hualiang Lin
    • 1
    Email author
  1. 1.Department of Epidemiology, School of Public HealthSun Yat-sen UniversityGuangzhouChina

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