利用机器学习研究忧虑和次要压力因素对悲伤严重程度的影响。

IF 2.3 3区 心理学 Q2 PSYCHIATRY
Kyani K Uchimura, Anthony Papa
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引用次数: 0

摘要

背景和目的:担忧和与损失相关的次要压力源似乎是问题性悲伤反应的重要相关因素。然而,这些变量在已确立的悲伤反应相关因素(从身份中断的指标和丧亲者的人口特征到与逝者关系质量损失的特征)中的相对重要性尚不清楚。鉴于这些变量之间的高度共线性,对这些因素的相对关联性进行建模可能存在问题。本研究采用机器学习方法,准确估算了这些相关因素对丧亲后症状严重程度的相对重要性:在过去 30 到 365 天内失去父母、配偶或子女的 428 名丧亲者完成了一项在线调查。随机森林回归模型研究了担忧和次要压力因素对症状严重程度的影响,并确定了相关因素。结果表明,担忧和所经历的次要压力源的数量是与悲伤、抑郁、创伤后压力和功能问题的严重程度最密切相关的因素之一:这些结果还让我们了解了担忧和次要压力源对悲伤严重程度影响的相对重要性,为今后的研究提供了指导。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Examining worry and secondary stressors on grief severity using machine learning.

Background & objectives: Worry and loss-related secondary stressors appear to be important correlates of problematic grief responses. However, the relative importance of these variables in the context of established correlates of grief responding, ranging from indicators of identity disruption and demographic characteristics of the bereaved to characteristics of the loss of quality of the relationship with the deceased, is unknown. Modeling the relative associations of these factors can be problematic, given the high degree of collinearity between these variables. This study used a machine learning approach to provide accurate estimations of the relative importance of these correlates for post-loss symptom severity.

Methods and results: A convenience sample of 428 bereaved people who had lost a parent, spouse, or child in the last 30 to 365 days completed an online survey. Random forest regression modeling examined the effects of worry and secondary stressors on symptom severity in the context of established correlates. Results indicated worry and the number of secondary stressors experienced were among the factors most strongly associated with severity of grief, depression, posttraumatic stress and problems functioning.

Conclusions: These results also provide insight into the relative importance of worry and secondary stressors affecting grief severity to guide future research.

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来源期刊
CiteScore
7.20
自引率
0.00%
发文量
41
期刊介绍: This journal provides a forum for scientific, theoretically important, and clinically significant research reports and conceptual contributions. It deals with experimental and field studies on anxiety dimensions and stress and coping processes, but also with related topics such as the antecedents and consequences of stress and emotion. We also encourage submissions contributing to the understanding of the relationship between psychological and physiological processes, specific for stress and anxiety. Manuscripts should report novel findings that are of interest to an international readership. While the journal is open to a diversity of articles.
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