力量之源对青少年自杀死亡的影响在三项随机试验中
Peter Wyman1, Ian Cero2, Charles Hendricks Brown3
1Psychiatry, University of Rochester School of Medicine and Dentistry, Rochester, New York, USA peter_wyman@urmc.rochester.edu.
概括
全面干预旨在减少青少年自杀. 一项关于高中力量来源的研究发现,干预组没有自杀,对照组只有4例,这表明预防自杀的潜在有效性.
科学领域:
- 公共卫生 公共卫生
- 心理学 心理学 心理学
- 流行病学 流行病学
背景情况:
- 青少年自杀仍然是一个重大的公共卫生问题.
- 普遍干预对于预防至关重要,但减少自杀死亡率的证据有限.
- 没有任何普遍的干预措施通过随机对照试验 (RCT) 证明了自杀死亡率的降低.
研究的目的:
- 评估普遍的,以社交网络为基础的干预措施"力量之源"在减少青少年自杀死亡率方面的有效性.
- 汇集来自三个集群RCT的数据,以评估干预对高中自杀率的影响.
主要方法:
- 从涉及78所高中的三个集群RCT中汇集了数据.
- 学校被分配到匹配的对立即干预或等候名单控制.
- 一个国家级的精确测试和一个更严格的随机对测试被用于分析.
主要成果:
- 在研究期间,干预学校没有发生自杀事件,而对照学校有4起自杀事件.
- 一个国家级的精确测试,把所有学校放在一起,显示干预与对照学校的自杀率在统计学上显著降低 (p=0.047).
- 一个更严格的测试,只使用随机对的学校,没有发现显著差异 (p=0.150).
结论:
- 研究结果表明",力量之源"可能会降低青少年自杀死亡率,但结果因统计测试而异.
- 需要对新的公共卫生设计进行进一步的研究,例如适应性推广试验,以确定预防自杀的有效人口级干预措施.
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