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  1. 医学医療系 (Faculty of Medicine)
  2. 市川 政雄 (Ichikawa Masao)
  1. コンテンツタイプ (Contents Type)
  2. 雑誌発表論文等 (Journal article, etc.)
  3. J~
  4. Journal of affective disorders

Reconsidering the effects of blue-light installation for prevention of railway suicides

http://hdl.handle.net/2241/120551
f1d818e1-66a3-4064-a120-c41da8460e68
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名前 / ファイル ライセンス Actions
JAD_152.pdf JAD_152.pdf (52.6 kB)
item type Journal Article(1)
公開日 2014-01-21
タイトル
タイトル Reconsidering the effects of blue-light installation for prevention of railway suicides
言語
言語 eng
資源タイプ
タイプ journal article
著者 Ichikawa, Masao

× Ichikawa, Masao

WEKO 102694

Ichikawa, Masao

Search repository
Inada, Haruhiko

× Inada, Haruhiko

WEKO 102695

Inada, Haruhiko

Search repository
Kumeji, Minae

× Kumeji, Minae

WEKO 102696

Kumeji, Minae

Search repository
著者別名 市川, 政雄

× 市川, 政雄

WEKO 697
e-Rad 20343098
筑波大学研究者総覧 0000001524

市川, 政雄

Search repository
抄録
内容記述 Background

A recent preliminary communication suggested that the calming effect of blue lights installed at the ends of railway platforms in Japan reduced suicides by 84%. This estimate is potentially misleading from an epidemiological point of view and is reconsidered in the present study.
Methods

Governmental data listing all railway suicide attempts in Japan from April 2002 to March 2012 were used to investigate the proportion of suicide attempts within station premises, where blue lights are potentially installed, and at night, when they would be lit. For those suicide attempts within station premises, we also estimated the proportion that occurred at the ends of the platforms at night.
Results

Of 5841 total reported suicide attempts, 43% occurred within the station premises, 43% occurred at night (from 18:00 to 05:59), and 14% occurred both within the station premises and at night. Of the 2535 attempts within station premises, 32% occurred at night and 28% at most were at the end of a platform at night.
Limitations

The exact proportion of nighttime suicide attempts at the ends of railway platforms was not calculable. Nonetheless, the proportion of suicide attempts that is potentially preventable by blue lights should be less than our conservative estimate.
Conclusions

The installation of blue lights on platforms, even were they to have some effect in preventing railway suicides at night, would have a much smaller impact than previously estimated.
書誌情報 Journal of affective disorders

巻 152-154, p. 183-185, 発行日 2014-01
ISSN
収録物識別子 0165-0327
書誌レコードID
収録物識別子 AA00256633
PubMed番号
関連識別子
関連識別子 24074716
DOI
関連識別子
関連識別子 10.1016/j.jad.2013.09.006
権利
権利情報 © 2013 Elsevier B.V.
NOTICE: this is the author’s version of a work that was accepted for publication in Journal of affective disorders. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of affective disorders, 152-154, 2014. http://dx.doi.org/10.1016/j.jad.2013.09.006.
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値 author
出版者
出版者 Elsevier
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