Suicide risk model based on the interpersonal theory of suicide: evidence in three regions of Mexico

Modesto Solis-Espinoza, J. M. Mancilla Díaz, Rosalía Vázquez Arévalo
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Abstract

Background: Reports of suicidal behavior have increased in Mexico for years. In order to develop a more adequate suicide prevention strategy, it is necessary to understand its predictive factors, so the purpose of this research was to propose a model of suicidal risk in young people, taking into account one of the most current theories on the subject, Joiner's interpersonal theory. Method: A non-probabilistic sample of young people with suicidal ideation from three regions of Mexico was obtained by online survey (N=411), with mean age of 17.89 years (SD. 1.2), 336 women (81.8%), and 75 men (18.2%). Results: First, a multiple linear regression model was created to predict suicidal risk based on thwarted belongingness and perceived burden with 17% explained variance; then a second model was generated with the same variables and including other factors associated with suicide such as self-injury desires, impulsivity and suicide attempts, in addition to variables associated with family conflicts, improving the explained variance to 34%. Lastly, two properly adjusted structural equation models were obtained, one focused on suicidal risk (R2=.21; RMSEA=.026; CFI=.99) and the other on ideation (R2=.18; RMSEA=.070; CFI=.98). Conclusions: The main factors that explain suicidal risk are depressive symptoms, perceived burden and desires for self-injury. Further research on the effect of painful experiences as factors that could predict suicide attempt is suggested.
基于人际自杀理论的自杀风险模型:墨西哥三个地区的证据
背景:多年来,墨西哥自杀行为的报告有所增加。为了制定更充分的自杀预防策略,有必要了解其预测因素,因此本研究的目的是提出一个年轻人自杀风险的模型,考虑到目前关于这一主题的最新理论之一,乔伊纳的人际关系理论。方法:采用在线调查的方法,抽取墨西哥三个地区有自杀意念的非概率青年样本(N=411人),平均年龄17.89岁(SD。1.2例),女性336例(81.8%),男性75例(18.2%)。结果:首先,基于受挫归属感和感知负担建立多元线性回归模型预测自杀风险,解释方差为17%;然后用相同的变量生成第二个模型,并包括与自杀相关的其他因素,如自残欲望、冲动和自杀企图,以及与家庭冲突相关的变量,将解释方差提高到34%。最后,得到两个适当调整的结构方程模型,一个关注自杀风险(R2=.21;RMSEA = .026;CFI= 0.99),另一组为意念组(R2= 0.18;RMSEA = .070;CFI = .98)。结论:自杀风险的主要影响因素是抑郁症状、感知负担和自残欲望。建议进一步研究痛苦经历作为预测自杀企图的因素的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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