國家衛生研究院 NHRI:Item 3990099045/11811
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/11811


    Title: Relationship between ozone air pollution and daily suicide mortality: A time-stratified case-crossover study in Taipei
    Authors: Yang, CY;Weng, YH;Chiu, YW
    Contributors: National Institute of Environmental Health Sciences
    Abstract: Several studies suggested short-term exposure to air pollution might be associated with suicide mortality, although results have been inconsistent and vary depending upon the type of air contaminants. While seasonal variation associated with suicide was reported to occur and that in the spring and early summer there are peaks in ozone (O 3 ) distribution, the relationship between these two parameters is not known. The aim of this study was to examine the potential association between O 3 levels and daily mortality rate related to suicide in Taipei for the period 2004–2008 using a time-stratified case-crossover analysis. In our single pollutant model without adjustment for other pollutants, the risk of suicide increased by 11% on warm days and 15% on cool days for each interquartile range (IQR) rise in O 3 concentration, respectively. The relationship was positive but did not reach significance. In our two-pollutant models, O 3 remained non-significant on warm days after inclusion of one of any other ambient air contaminants into the model. However, on cool days, a significant association was found between O 3 levels and enhanced risk of mortality due to suicide after nitrogen dioxide (NO 2 ) or carbon monoxide (CO) were included. The overall positive but not significant findings of elevated risk of mortality frequently attributed to suicide on days with higher O 3 levels suggest that outdoor exposures to this gaseous contaminant may contribute to increases in daily mortality rate related to suicide.
    Date: 2019-02
    Relation: Journal of Toxicology and Environmental Health - Part A: Current Issues. 2019 Feb;82(4):261-267.
    Link to: http://dx.doi.org/10.1080/15287394.2019.1589109
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=1528-7394&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000462947700003
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85062991685
    Appears in Collections:[Others] Periodical Articles

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