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  • How much does latitude modify temperature–mortality relationship in 13 eastern US cities?

    Author(s)
    Xiao, Jianpeng
    Peng, Ji
    Zhang, Yonghui
    Liu, Tao
    Rutherford, Shannon
    Lin, Hualiang
    Qian, Zhengmin
    Huang, Cunrui
    Luo, Yuan
    Zeng, Weilin
    Chu, Cordia
    Ma, Wenjun
    Griffith University Author(s)
    Chu, Cordia M.
    Rutherford, Shannon
    Year published
    2015
    Metadata
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    Abstract
    Although several studies have documented that latitude might be an effect modifier of the association between temperature and mortality, little is known about how much latitude modifies the temperature-mortality relationship. In this study, we examined this research question using a distributed lag non-linear model and meta-regression analysis based on data from 13 large cities of eastern US from the US National Morbidity, Mortality, and Air Pollution Study. We found that cold effects lasted about 1 month while hot effects were acute and short-term. Meta-regression analysis showed that latitude modified both the cold and hot ...
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    Although several studies have documented that latitude might be an effect modifier of the association between temperature and mortality, little is known about how much latitude modifies the temperature-mortality relationship. In this study, we examined this research question using a distributed lag non-linear model and meta-regression analysis based on data from 13 large cities of eastern US from the US National Morbidity, Mortality, and Air Pollution Study. We found that cold effects lasted about 1 month while hot effects were acute and short-term. Meta-regression analysis showed that latitude modified both the cold and hot effects with statistical significance. The cold effect decreased with the latitude increment, with -0.11 % change of mortality effect for 1ࠩncrement, while the hot effect increased with the latitude increment, with 0.18 % change of mortality effect for 1ࠩncrement. This finding indicates the importance of latitude on temperature-related mortality risk, which is helpful for city to develop localized effective adaptation strategy in the context of climate change.
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    Journal Title
    International Journal of Biometeorology
    DOI
    https://doi.org/10.1007/s00484-014-0848-y
    Subject
    Other physical sciences
    Other physical sciences not elsewhere classified
    Atmospheric sciences
    Atmospheric sciences not elsewhere classified
    Publication URI
    http://hdl.handle.net/10072/66327
    Collection
    • Journal articles

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