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【學術演講 】2015/1/5(一) 郭炤裕 老師 When Are We Most Vulnerable to Temperature Variations in a Day?
時間:104/1/5 (一) 中午12:10 – 13:10

地點:醫學二館221室

主講人:郭炤裕老師

主題:When Are We Most Vulnerable to Temperature Variations in a Day?

摘要:

Daily temperature measures are commonly used when examining the association between temperature and mortality. In fact, temperature measures are available 24 hours a day and more detailed records may provide a better prediction of mortality compared to daily statistics. In this article, monthly stratified analysis modeling for mortality is conducted for the total population as well as the stratified elderly and younger subgroups. We identified the most significant time during the day that is associated with daily mortality. Surprisingly, the estimates of relative risk and magnitude of associations derived from the hourly temperature measures are similar or even stronger compared to those modeled by the daily statistics. This phenomenon remains true for lagged hourly temperature measures and the changing patterns of associations from January through December are revealed. In summary, people are the most vulnerable to temperature variations in the early morning around 5 am and the night time around 8 pm.
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