Development and validation of empirically derived frequency criteria for NSSI disorder using exploratory data mining.
Development and validation of empirically derived frequency criteria for NSSI disorder using exploratory data mining.
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DOI：
10.1037/pas0000334
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发表时间：
2017-02
影响因子：
3.6
通讯作者：
McCloskey, Michael S.
中科院分区：
文献类型：
--
作者：
Ammerman, Brooke A.;Jacobucci, Ross;Kleiman, Evan M.;Muehlenkamp, Jennifer J.;McCloskey, Michael S.
研究表明，非自杀性自伤（NSSI）可能属于一个独特的诊断类别，导致将NSSI障碍纳入DSM-5部分，以供未来研究。然而，对标准A（频率标准）有效性的研究有限。目前的研究旨在通过使用探索性数据挖掘方法，结构方程建模树来检查NSSI障碍的频率标准的有效性，作为确定NSSI频率的一种方式，该频率最佳地区分了病理性NSSI与本科生（n = 3，559）中的规范行为，其中428人在前一年参与了NSSI。该模型包括发现与NSSI共病的精神病理学和通常与NSSI相关的认知情感缺陷。结果表明，正如预期的那样，在过去的一年中，0和1行为的NSSI个体之间出现了第一次分裂。在有1个或多个先前行为的个体中，最佳分裂是在过去一年中有5和6个NSSI行为的个体之间。目前的研究结果表明，在过去的一年中，与5次或更少的行为相比，有6次NSSI行为的人可能代表了一个更严重的自我伤害者群体。这些人报告了更高水平的相关精神病理学和认知情感缺陷，以及生活质量下降。研究结果有潜在的影响，建议的频率标准的NSSI疾病和病理性NSSI的特点。
Research suggesting non-suicidal self-injury (NSSI) may belong in a distinct diagnostic category has led to the inclusion of NSSI Disorder in the DSM-5 section for future study. There has been limited research, however, examining the validity of criterion A (the frequency criterion). The current study aimed to examine the validity of the frequency criterion of NSSI Disorder through the use of an Exploratory Data Mining method, Structural Equation Modeling Trees, as a way to determine a NSSI frequency that optimally discriminates pathological NSSI from normative behavior among undergraduate students (n = 3,559), 428 who engaged in NSSI in the previous year. The model included psychopathology symptomology found to be comorbid with NSSI and cognitive-affective deficits commonly associated with NSSI. Results demonstrated a first split between individuals with 0 and 1 act of NSSI in the past year, as was expected. Among individuals with 1 or more previous acts, the optimal split was between those with 5 and 6 NSSI acts in the past year. Results from the current study suggest that individuals with 6 acts of NSSI in past year, compared to those with 5 acts or less, may represent a more severe group of self-injurers. These individuals reported higher levels of related psychopathology symptomology and cognitive-affective deficits, in addition to decreased quality of life. Findings have potential implications for the proposed frequency criteria of NSSI Disorder and how pathological NSSI is characterized.
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