经验聚类以确定失眠与自杀念头更密切相关的个体
Andrew S Tubbs1, Michael L Perlis2, William D S Killgore1
1Department of Psychiatry, University of Arizona College of Medicine - Tucson, Tucson, AZ 85724, USA.
Journal of affective disorders
|June 28, 2024
概括
失眠与自杀念头有关,特别是在症状严重程度适度的个体中. 这一发现有助于识别那些面临当前自杀念头风险最高的人.
科学领域:
- 精神病学是一个精神病学.
- 睡眠医学 睡眠医学
- 自杀学 自杀学
背景情况:
- 失眠经常与自杀的想法和行为有关.
- 小组分析对于确定失眠是自杀念头的重要风险因素的特定人群至关重要.
- 了解这些细微差别可以改善临床识别风险人群.
研究的目的:
- 识别具有自杀念头史的个人子集群.
- 为了确定谁的失眠与当前的自杀念头最密切相关.
- 为了提高临床病例识别的风险人群.
主要方法:
- 利用了来自军事自杀研究联盟的4750名终身自杀思想者的数据.
- 采用无监督的机器学习算法,根据社会人口统计学,自杀行为历史和临床特征对个人进行集群.
- 应用了强大的波桑回归来评估在已识别的集群中失眠和当前自杀念头之间的关联.
主要成果:
- 确定了三个不同的群体:适度 (37.0%),升高 (30.4%) 和高 (32.6%) 的症状严重程度.
- 失眠与当前的自杀念头在适度严重性集群中显著相关,即使在对 covariate 调整后.
- 失眠和当前自杀念头之间的关联在高和高严重性群体中在调整所有共变量之前是显著的,但在调整所有共变量之后却没有.
结论:
- 失眠似乎最强烈地与当前自杀念头有关,在症状严重程度适度的个体中.
- 调查结果表明,对这一子组需要针对性的干预措施.
- 未来的研究应该采用前性设计和全面的风险因素评估来验证这些结果.
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