Biddle Lucy, Derges Jane, Mars Becky, Heron Jon, Donovan Jenny L, Potokar John, Piper Martyn, Wyllie Clare, Gunnell David
School of Social and Community Medicine, University of Bristol, United Kingdom.
School of Social and Community Medicine, University of Bristol, United Kingdom.
J Affect Disord. 2016 Jan 15;190:370-375. doi: 10.1016/j.jad.2015.10.028. Epub 2015 Oct 29.
Following the ongoing concerns about cyber-suicide, we investigate changes between 2007 and 2014 in material likely to be accessed by suicidal individuals searching for methods of suicide.
12 search terms relating to suicide methods were applied to four search engines and the top ten hits from each were categorised and analysed for content. The frequency of each category of site across all searches, using particular search terms and engines, was counted.
Key changes: growth of blogs and discussion forums (from 3% of hits, 2007 to 18.5% of hits, 2014); increase in hits linking to general information sites - especially factual sites that detail and evaluate suicide methods (from 9%, 2007 to 21.7%, 2014). Hits for dedicated suicide sites increased (from 19% to 23%), while formal help sites were less visible (from 13% to 6.5%). Overall, 54% of hits contained information about new high-lethality methods.
We did not search for help sites so cannot assess the balance of suicide promoting versus preventing sites available online. Social media was beyond the scope of this study.
Working with ISPs and search engines would help optimise support sites. Better site moderation and implementation of suicide reporting guidelines should be encouraged.
鉴于对网络自杀的持续关注,我们调查了2007年至2014年间自杀者可能获取的自杀方法相关资料的变化情况。
将12个与自杀方法相关的搜索词应用于四个搜索引擎,并对每个搜索引擎的前十大搜索结果进行分类和内容分析。统计使用特定搜索词和搜索引擎时所有搜索中各类网站的出现频率。
主要变化:博客和讨论论坛的数量增加(从2007年占搜索结果的3%增至2014年的18.5%);指向一般信息网站的搜索结果增加,尤其是详细介绍和评估自杀方法的事实性网站(从2007年的9%增至2014年的21.7%)。专门的自杀网站的搜索结果增加(从19%增至23%),而正规帮助网站的可见度降低(从13%降至6.5%)。总体而言,54%的搜索结果包含有关新型高致死率方法的信息。
我们未搜索帮助网站,因此无法评估网络上促进自杀与预防自杀网站的平衡情况。社交媒体不在本研究范围内。
与互联网服务提供商和搜索引擎合作将有助于优化支持性网站。应鼓励更好地管理网站并实施自杀报告指南。