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Information Accessibility of the Charcoal Burning Suicide Method in Mainland China

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  • Qijin Cheng
  • Shu-Sen Chang
  • Yingqi Guo
  • Paul S F Yip

Abstract

Background: There has been a marked rise in suicide by charcoal burning (CB) in some East Asian countries but little is known about its incidence in mainland China. We examined media-reported CB suicides and the availability of online information about the method in mainland China. Methods: We extracted and analyzed data for i) the characteristics and trends of fatal and nonfatal CB suicides reported by mainland Chinese newspapers (1998–2014); ii) trends and geographic variations in online searches using keywords relating to CB suicide (2011–2014); and iii) the content of Internet search results. Results: 109 CB suicide attempts (89 fatal and 20 nonfatal) were reported by newspapers in 13 out of the 31 provinces or provincial-level-municipalities in mainland China. There were increasing trends in the incidence of reported CB suicides and in online searches using CB-related keywords. The province-level search intensities were correlated with CB suicide rates (Spearman’s correlation coefficient = 0.43 [95% confidence interval: 0.08–0.68]). Two-thirds of the web links retrieved using the search engine contained detailed information about the CB suicide method, of which 15% showed pro-suicide attitudes, and the majority (86%) did not encourage people to seek help. Limitations: The incidence of CB suicide was based on newspaper reports and likely to be underestimated. Conclusions: Mental health and suicide prevention professionals in mainland China should be alert to the increased use of this highly lethal suicide method. Better surveillance and intervention strategies need to be developed and implemented.

Suggested Citation

  • Qijin Cheng & Shu-Sen Chang & Yingqi Guo & Paul S F Yip, 2015. "Information Accessibility of the Charcoal Burning Suicide Method in Mainland China," PLOS ONE, Public Library of Science, vol. 10(10), pages 1-15, October.
    • Handle: RePEc:plo:pone00:0140686
    DOI: 10.1371/journal.pone.0140686
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    References listed on IDEAS

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    1. Florentine, Julia Buus & Crane, Catherine, 2010. "Suicide prevention by limiting access to methods: A review of theory and practice," Social Science & Medicine, Elsevier, vol. 70(10), pages 1626-1632, May.
    2. Ying-Yeh Chen & Feng Chen & David Gunnell & Paul S F Yip, 2013. "The Impact of Media Reporting on the Emergence of Charcoal Burning Suicide in Taiwan," PLOS ONE, Public Library of Science, vol. 8(1), pages 1-6, January.
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    Cited by:

    1. Siqi Zhao & He Liu & Hongkun Ma & Mingli Jiao & Ye Li & Yanhua Hao & Yihua Sun & Lijun Gao & Sun Hong & Zheng Kang & Qunhong Wu & Hong Qiao, 2015. "Coping with Workplace Violence in Healthcare Settings: Social Support and Strategies," IJERPH, MDPI, vol. 12(11), pages 1-16, November.
    2. Qijin Cheng & Feng Chen & Paul S F Yip, 2017. "Media effects on suicide methods: A case study on Hong Kong 1998-2005," PLOS ONE, Public Library of Science, vol. 12(4), pages 1-12, April.

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