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Suicide and Ambient Temperature in East Asian Countries: A Time-Stratified Case-Crossover Analysis
http://hdl.handle.net/10069/36677
http://hdl.handle.net/10069/3667794950552-d9e6-4f06-b7c3-f7215656e07a
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EHP124_75.pdf (485.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||||||||||||||||
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公開日 | 2016-08-29 | |||||||||||||||||||
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タイトル | Suicide and Ambient Temperature in East Asian Countries: A Time-Stratified Case-Crossover Analysis | |||||||||||||||||||
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言語 | eng | |||||||||||||||||||
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資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||||||||||||||
資源タイプ | journal article | |||||||||||||||||||
著者 |
Kim, Yoonhee
× Kim, Yoonhee
× Kim, Ho
× Honda, Yasushi
× Guo, Yue Leon
× Chen, Bing-Yu
× Woo, Jong-Min
× Ebi, Kristie L.
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内容記述タイプ | Abstract | |||||||||||||||||||
内容記述 | Background: A limited number of studies suggest that ambient temperature contributes to suicide; these studies typically focus on a single nation and use temporally and spatially aggregated data. Objective: We evaluated the association between ambient temperature and suicide in multiple cities in three East Asian countries. Methods: A time-stratified case-crossover method was used to explore the relationship between temperature and suicide, adjusting for potential time-varying confounders and time-invariant individual characteristics. Sex- and age-specific associations of temperature with suicide were estimated, as were interactions between temperature and these variables. A random-effects meta-analysis was used to estimate country-specific pooled associations of temperature with suicide. Results: An increase in temperature corresponding to half of the city-specific standard deviation was positively associated with suicide in most cities, although average suicide rates varied substantially. Pooled country-level effect estimates were 7.8% (95% CI: 5.0, 10.8%) for a 2.3°C increase in ambient temperature in Taiwan, 6.8% (95% CI: 5.4, 8.2%) for a 4.7°C increase in Korea, and 4.5% (95% CI: 3.3, 5.7%) for a 4.2°C increase in Japan. The association between temperature and suicide was significant even after adjusting for sunshine duration; the association between sunshine and suicide was not significant. The associations were greater among men than women in 12 of the 15 cities although not significantly so. There was little evidence of a consistent pattern of associations with age. In general, associations were strongest with temperature on the same day or the previous day, with little evidence of associations with temperature over longer lags (up to 5 days). Conclusions: We estimated consistent positive associations between suicide and elevated ambient temperature in three East Asian countries, regardless of country, sex, and age. | |||||||||||||||||||
書誌情報 |
Environmental Health Perspectives 巻 124, 号 1, p. 75-80, 発行日 2016-01 |
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出版者 | National Institute of Environmental Health Sciences | |||||||||||||||||||
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収録物識別子タイプ | ISSN | |||||||||||||||||||
収録物識別子 | 00916765 | |||||||||||||||||||
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関連タイプ | isIdenticalTo | |||||||||||||||||||
識別子タイプ | DOI | |||||||||||||||||||
関連識別子 | 10.1289/ehp.1409392 | |||||||||||||||||||
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権利情報 | EHP is a publication of the U.S. Federal Government, and its content lies in the public domain. | |||||||||||||||||||
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出版タイプ | VoR | |||||||||||||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||||||||||||
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内容記述タイプ | Other | |||||||||||||||||||
内容記述 | Environmental Health Perspectives, 124(1), pp.75-80; 2016 |