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Acute exposure to sulfur dioxide and mortality: Historical data from Yokkaichi, Japan

2018; Taylor & Francis; Volume: 74; Issue: 5 Linguagem: Inglês

10.1080/19338244.2018.1434474

2154-4700

Takashi Yorifuji, Saori Kashima, Made Ayu Hitapretiwi Suryadhi, Kawuli Abudureyimu,

Global Health Care Issues

We examined the association between acute exposure to sulfur dioxide (SO2) and mortality, using historical data from 1972–1991 in Yokkaichi, Japan. We used a time-stratified case-crossover study design. We included all causes of death, excluding external causes, between 1972 and 1991 in Yokkaichi and the neighboring town, Kusu of the Mie Prefecture (N = 29,839). We obtained daily estimations of SO2 concentrations during the study period. We then conducted conditional logistic regression analysis to examine association between SO2 exposure and all-cause and cause-specific mortality. Exposure to SO2 increased the risk of all-cause and cause-specific mortality in a non-linear manner. The relationship between SO2 exposure and mortality outcomes remained after adjustment for co-pollutants such as particulate matter and nitrogen dioxide. Historical data from Yokkaichi, Japan, showed that SO2 exposure increased the risk of all-cause and cause-specific mortality.