Unit Suicide Research & Mental Health Promotion, Department of Social and Preventive Medicine, Center for Public Health, Medical University of Vienna, Vienna, Austria.
Wiener Werkstaette for Suicide Research, Vienna, Austria.
BMJ. 2021 Dec 13;375:e067726. doi: 10.1136/bmj-2021-067726.
To assess changes in daily call volumes to the US National Suicide Prevention Lifeline and in suicides during periods of wide scale public attention to the song "1-800-273-8255" by American hip hop artist Logic.
Time series analysis.
United States, 1 January 2010 to 31 December 2018.
Total US population. Lifeline calls and suicide data were obtained from Lifeline and the Centers for Disease Control and Prevention.
Daily Lifeline calls and suicide data before and after the release of the song. Twitter posts were used to estimate the amount and duration of attention the song received. Seasonal autoregressive integrated moving average time series models were fitted to the pre-release period to estimate Lifeline calls and suicides. Models were fitted to the full time series with dummy variables for periods of strong attention to the song.
In the 34 day period after the three events with the strongest public attention (the song's release, the MTV Video Music Awards 2017, and Grammy Awards 2018), Lifeline received an excess of 9915 calls (95% confidence interval 6594 to 13 236), an increase of 6.9% (95% confidence interval 4.6% to 9.2%, P<0.001) over the expected number. A corresponding model for suicides indicated a reduction over the same period of 245 suicides (95% confidence interval 36 to 453) or 5.5% (95% confidence interval 0.8% to 10.1%, P=0.02) below the expected number of suicides.
Logic's song "1-800-273-8255" was associated with a large increase in calls to Lifeline. A reduction in suicides was observed in the periods with the most social media discourse about the song.
评估美国国家预防自杀生命线在广泛关注美国嘻哈歌手 Logic 的歌曲《1-800-273-8255》期间，每日来电数量的变化以及自杀情况。
时间序列分析。
2010 年 1 月 1 日至 2018 年 12 月 31 日，美国。
美国总人口。生命线呼叫和自杀数据来自生命线和疾病控制与预防中心。
歌曲发布前后的每日生命线呼叫和自杀数据。推文用于估计歌曲受到关注的数量和持续时间。季节性自回归综合移动平均时间序列模型被拟合到发布前的时间段，以估计生命线呼叫和自杀。对于歌曲关注度较高的时期，模型通过虚拟变量进行拟合。
在公众关注度最强的三个事件（歌曲发布、2017 年 MTV 音乐录影带大奖和 2018 年格莱美奖）后的 34 天内，生命线收到了 9915 多个额外来电（95%置信区间 6594 至 13236），比预期数量增加了 6.9%（95%置信区间 4.6%至 9.2%，P<0.001）。同一时期的自杀模型表明，自杀人数减少了 245 人（95%置信区间 36 至 453），或 5.5%（95%置信区间 0.8%至 10.1%，P=0.02）低于预期自杀人数。
Logic 的歌曲《1-800-273-8255》与生命线来电的大幅增加有关。在社交媒体对歌曲讨论最多的时期，自杀人数有所减少。
