Moore Fhionna R, Doughty Heather, Neumann Tabea, McClelland Heather, Allott Claire, O'Connor Rory C
NHS Highland's Child and Adolescent Mental Health Services, Phoenix Centre, Raigmore Hospital, Inverness, Scotland IV2 3UJ United Kingdom.
Suicidal Behavior Research Laboratory, Institute of Health and Wellbeing, College of Medicine, Veterinary, and Life Sciences, University of Glasgow, Glasgow, Northern Ireland G12 8QQ United Kingdom.
EClinicalMedicine. 2022 Feb 18;45:101307. doi: 10.1016/j.eclinm.2022.101307. eCollection 2022 Mar.
The aim of the study was to crystallize the nature of relationships between impulsivity, aggression, and suicidality. We reviewed studies of adults with published, psychometric measures of impulsivity and aggression, and measures of suicidality.
Our primary data source was Web of Science (from inception to 31st December 2021). Quality of articles was assessed using a Joanna Briggs Appraisal Tool and publication bias using Trim and Fill. We synthesised results using random effects meta-analyses and explored moderation by measure of impulsivity, aggression, and suicidality, and population.
77 studies were included in our analysis. We found weak positive relationships between impulsivity ( = 0·19 [95% CI: 0·15-0·22]), aggression (0·23 ([0·17, 0·29]), and impulsive aggression (0·16 [0·1, 0·22]) with suicidality. Heterogeneity was significant and only partially explained by moderators. Limitations included the lack of studies which assess impulsivity or aggression proximal to suicidality.
Given small effect sizes and significant heterogeneity, the study suggests that additional studies are needed in the field to analyze the relation between impulsivity and aggression with suicidality.
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本研究的目的是明确冲动性、攻击性和自杀倾向之间关系的本质。我们回顾了针对成年人的研究，这些研究发表了关于冲动性和攻击性的心理测量方法以及自杀倾向的测量方法。
我们的主要数据来源是科学网（从创刊到2021年12月31日）。使用乔安娜·布里格斯评估工具评估文章质量，并使用Trim and Fill方法评估发表偏倚。我们使用随机效应荟萃分析综合结果，并通过冲动性、攻击性、自杀倾向和人群测量来探讨调节作用。
我们的分析纳入了77项研究。我们发现冲动性（=0·19 [95%CI：0·15 - 0·22]）、攻击性（0·23 [0·17, 0·29]）和冲动性攻击（0·16 [0·1, 0·22]）与自杀倾向之间存在弱正相关。异质性显著，且仅部分由调节因素解释。局限性包括缺乏评估接近自杀倾向时的冲动性或攻击性的研究。
鉴于效应量较小且异质性显著，该研究表明该领域需要更多研究来分析冲动性和攻击性与自杀倾向之间的关系。
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