The psychometric properties of the iowa personality disorder screen in methadone-maintained patients: an initial investigation.

The psychometric properties of the iowa personality disorder screen in methadone-maintained patients: an initial investigation.
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DOI:
10.1521/pedi_2013_27_081
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发表时间:
2015-02
影响因子:
2.3
通讯作者:
Barry DT
Barry DT
中科院分区:
医学2区
文献类型:
--
作者:
Beitel M;Peters S;Savant JD;Cutter CJ;Cecero JJ;Barry DT

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在150名完成人口统计学、精神病理学、物质使用、疼痛和美沙酮维持治疗(MMT)特征测量的美沙酮维持治疗患者中检查了爱荷华州人格障碍筛查(IPDS)的心理测量学特性。探索性因素分析揭示了一个双因素的解决方案,解释了45%的规模方差。第一个因素捕捉内化倾向,如抑制和对他人的超敏反应。第二个因素包括外化倾向,如冲动和对他人不敏感。IPDS项目子集、衍生因子和总分与种族/民族显著相关,但与性别无关。当IPDS与其他精神病理学指标、自我报告的物质使用、疼痛变量和MMT特征进行比较时,种族/民族的影响在统计学上得到控制。一般来说,IPDS似乎是可靠和有效的美沙酮维持患者使用。本研究中发现的双因素结构可能具有临床实用性,值得在其他MMT样本中进一步研究。
The psychometric properties of the Iowa Personality Disorder Screen (IPDS) were examined in 150 methadone-maintained patients who completed measures of demographic, psychopathology, substance use, pain, and methadone maintenance treatment (MMT) characteristics. An exploratory factor analysis revealed a two-factor solution that explained 45 percent of the scale variance. The first factor captured internalizing tendencies, such as inhibition and hypersensitivity to others. The second factor comprised externalizing tendencies, such as impulsivity and insensitivity to others. The IPDS item subsets, derived factors, and the total score were significantly related to race/ethnicity but not sex. The effects of race/ethnicity were controlled statistically when the IPDS was compared to other measures of psychopathology, self-reported substance use, pain variables, and MMT characteristics. In general, the IPDS appears to be reliable and valid for use with methadone-maintained patients. The two-factor structure found in this study may have clinical utility and merits further investigation in other MMT samples.
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