| Association of Internet search trends with suicide death in Taipei City, Taiwan, 2004-2009. | |
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MedLine Citation:
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PMID: 21371755 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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BACKGROUND: Although Internet has become an important source for affected people seeking suicide information, the connection between Internet searches for suicide information and suicidal death remains largely unknown. This study aims to evaluate the association between suicide and Internet searches trends for 37 suicide-related terms representing major known risks of suicide. METHODS: This study analyzes suicide death data in Taipei City, Taiwan and corresponding local Internet search trend data provided by Google Insights for Search during the period from January 2004 to December 2009. The investigation uses cross correlation analysis to estimate the temporal relationship between suicide and Internet search trends and multiple linear regression analysis to identify significant factors associated with suicide from a pool of search trend data that either coincides or precedes the suicide death. RESULTS: Results show that a set of suicide-related search terms, the trends of which either temporally coincided or preceded trends of suicide data, were associated with suicide death. These search factors varied among different suicide samples. Searches for "major depression" and "divorce" accounted for, at most, 30.2% of the variance in suicide data. When considering only leading suicide trends, searches for "divorce" and the pro-suicide term "complete guide of suicide," accounted for 22.7% of variance in suicide data. CONCLUSIONS: Appropriate filtering and detection of potentially harmful source in keyword-driven search results by search engine providers may be a reasonable strategy to reduce suicide deaths. |
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Authors:
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Albert C Yang; Shi-Jen Tsai; Norden E Huang; Chung-Kang Peng |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-1 |
Journal Detail:
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Title: Journal of affective disorders Volume: - ISSN: 1573-2517 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-4 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7906073 Medline TA: J Affect Disord Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier B.V. All rights reserved. |
Affiliation:
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Department of Psychiatry, Chu-Tung Veterans Hospital, Hsin-Chu County, Taiwan; Institute of Clinical Medicine, National Yang-Ming University, Taipei, Taiwan; Center for Dynamical Biomarkers and Translational Medicine, National Central University, Chungli, Taiwan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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