Luis Amigó Catholic University, Faculty of Psychology, Basic and Applied Neuroscience Research Center, Transversal 51A #67B 90, 050035, Medellín, Colombia.
Industrial University of Santander, School of Medicine, Basic and Applied Neuroscience Research Center, Cra 27 Calle 9, 680001, Bucaramanga, Colombia.
An Acad Bras Cienc. 2021 Nov 22;93(suppl 4):e20210680. doi: 10.1590/0001-3765202120210680. eCollection 2021.
The present study aimed to establish the associations between hopelessness, depression and impulsivity with respect to suicidal ideation and behavior, and to explore the role that impulsivity plays in the mechanism that operates between depression and hopelessness. Through an empirical observational study, with an analytical scope based on a cross-sectional design for a sample of 228 university students and using The Inventory of Suicide Orientation (ISO-30); Beck Depression Inventory (BDI); Beck Hopelessness Scale (BHS); and Barratt Impulsiveness Scale (BIS-11). The results indicated a significant positives correlations between BDI, BHS, BIS and ISO-30. Regression analysis showed that depression, impulsivity and hopelessness explain between 57% and 67% of the variance in the risk of suicidal ideation and behavior. Through the analysis of structural equation modeling, three models were established showing that impulsivity mediates the relationship between depressive symptomatology and suicidal ideation and behavior. This study has implications for mental health intervention and research, in that it emphasizes the importance of impulsivity traits as factors that act as triggers in the association between the presence of depressive symptoms and suicidal behavior.
本研究旨在建立绝望、抑郁和冲动与自杀意念和行为之间的关系，并探讨冲动在抑郁和绝望之间的作用机制。通过一项实证观察研究，采用基于 228 名大学生样本的横断面设计的分析范围，并使用自杀倾向量表（ISO-30）；贝克抑郁量表（BDI）；贝克绝望量表（BHS）；和巴雷特冲动量表（BIS-11）。结果表明，BDI、BHS、BIS 和 ISO-30 之间存在显著正相关。回归分析表明，抑郁、冲动和绝望解释了自杀意念和行为风险的 57%至 67%的方差。通过结构方程模型分析，建立了三个模型，表明冲动中介了抑郁症状与自杀意念和行为之间的关系。这项研究对心理健康干预和研究具有意义，因为它强调了冲动特质作为抑郁症状和自杀行为之间关联的触发因素的重要性。
