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Association between lithium in tap water and suicide mortality rates in Miyazaki Prefecture
http://hdl.handle.net/10458/0002000162
http://hdl.handle.net/10458/0002000162419e5971-e6de-43b2-914e-3a472dec34ce
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| Item type | 学術雑誌論文 / Journal Article(1) | |||||||||
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| 公開日 | 2023-10-26 | |||||||||
| タイトル | ||||||||||
| タイトル | Association between lithium in tap water and suicide mortality rates in Miyazaki Prefecture | |||||||||
| 言語 | en | |||||||||
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| 言語 | eng | |||||||||
| キーワード | ||||||||||
| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Elderly people | |||||||||
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| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Japan | |||||||||
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| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Lithium | |||||||||
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| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Rainfall | |||||||||
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| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Suicide rate | |||||||||
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| 言語 | en | |||||||||
| 主題Scheme | Other | |||||||||
| キーワード | Tap water | |||||||||
| 資源タイプ | ||||||||||
| 資源タイプ | journal article | |||||||||
| 著者 |
甲坂, 直美
× 甲坂, 直美× 竹内, 昌平× Ishii, Nobuyoshi
× Terao, Takeshi
× 黒田, 嘉紀 |
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| 内容記述タイプ | Abstract | |||||||||
| 内容記述 | Background Most studies have reported that suicide mortality rates are negatively associated with lithium levels in tap water; however, a few studies showed either no association or a positive association. Thus, the association between suicide mortality and lithium levels in tap water remains controversial. To clarify the association, our study evaluated the association between lithium levels in tap water and suicide mortality rates in Miyazaki Prefecture of Japan, after adjusting for confounding factors. Methods We measured lithium levels in tap water across the 26 municipalities of Miyazaki Prefecture in Japan. We examined the standardized mortality ratio (SMR) for suicide in each municipality and used the data as the average suicide SMRs over 5 years (2009–2013). Weighted least-squares regression analysis, adjusted for the size of each municipality’s population, was used to investigate the association between lithium levels in tap water and suicide SMRs. In addition to a crude model, in an adjusted model, potential confounding factors (proportion of elderly people, proportion of one-person households, annual marriage rate, annual mean income, unemployment rate, the density of medical doctors per 100,000 people, annual total rainfall, and proportion of people with a college education or higher) were added as covariates. Results We showed that male and female suicide SMRs were not associated with lithium levels in tap water in Miyazaki Prefecture. After adjusting for confounders, male suicide SMRs were significantly and positively associated with the proportion of elderly people in the population and annual total rainfall, and female suicide SMRs were associated with the proportion of elderly people in the population. Conclusions No association between lithium levels in tap water and suicide mortality rates was found in Miyazaki Prefecture. |
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| 言語 | en | |||||||||
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| 内容記述タイプ | Other | |||||||||
| 内容記述 | Citation: Kozaka, N., Takeuchi, S., Ishii, N. et al. Association between lithium in tap water and suicide mortality rates in Miyazaki Prefecture. Environ Health Prev Med 25, 26 (2020). https://doi.org/10.1186/s12199-020-00865-6 |
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| 言語 | en | |||||||||
| 書誌情報 |
en : Environmental Health and Preventive Medicine 巻 25, 号 1, p. 26 (2020), 発行日 2020-06-27 |
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| 出版者 | ||||||||||
| 出版者 | BioMed Central Ltd | |||||||||
| 言語 | en | |||||||||
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| 収録物識別子タイプ | ISSN | |||||||||
| 収録物識別子 | 1342-078X | |||||||||
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| 関連タイプ | isVersionOf | |||||||||
| 識別子タイプ | DOI | |||||||||
| 関連識別子 | https://doi.org/10.1186/s12199-020-00865-6 | |||||||||
| 権利 | ||||||||||
| 言語 | en | |||||||||
| 権利情報 | Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data. Reprints and Permissions | |||||||||
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| 出版タイプ | VoR | |||||||||
