Rasch analysis of the six items, self-reported Hamilton depression scale in Chinese patients with major depressive disorder.

IF 3 3区 心理学 Q1 PSYCHOLOGY, MULTIDISCIPLINARY
Xiao-Jie Huang, Hai-Yan Ma, Xue-Mei Wang, Jing Zhong, Kai-Min Yao, Jing-Xiao Kuang, Ming-Zhi Xu
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Abstract

Objective: To analyze the psychometric properties of the adapted 6-item Hamilton Depression Rating Scale (HAMD-6) in Chinese patients with major depressive disorder (MDD) using the Rasch model.

Methods: The HAMD-6 was administered to 279 patients with MDD. The Rasch analysis was conducted to evaluate the results in terms of unidimensionality, local dependency, item fit, reliability, orders of rating category, differential item functioning (DIF), and item-person targeting. Transformation from raw score to interval data was generated.

Results: Rasch analyses showed the unidimensional construct of HAMD-6. Item2 (Self-esteem and guilt) and item4 (Psychomotor retardation) presented slight dependency (residual correlation = -0.34) and item1 (Depressed mood) presented suspicious misfit (INFIT and OUTFIT ZSTD > 2.00). The reliability was ideal (Cronbach's α = 0.91; person separation index = 2.24). The difficulties of response categories were monotonically increased, with no disorder was found. No DIF was found across gender, age and education. The HAMD-6 showed optimal discriminative ability for individuals with moderate levels of depression. A conversion table was established for raw score to interval data.

Conclusion: The HAMD-6 was confirmed acceptable psychometric properties by Rasch model in MDD patients. It provided more optimal discriminative ability for individuals with moderate depression. The conversion table could be used for more precise measurement. However, item1, item2 and item4 needed further validation.

Abstract Image

Abstract Image

拉什分析了中国重性抑郁症患者自述汉密尔顿抑郁量表的六项内容。
目的:应用Rasch模型分析我国重性抑郁障碍(MDD)患者汉密顿抑郁评定量表(HAMD-6)的心理测量特征。方法:对279例重度抑郁症患者进行HAMD-6治疗。Rasch分析从单维性、局部依赖性、项目拟合、可靠性、评定类别的顺序、差异项目功能(DIF)和项目-人目标等方面对结果进行评价。生成了从原始分数到区间数据的转换。结果:Rasch分析显示HAMD-6具有单维结构。项目2(自尊和内疚感)和项目4(精神运动迟缓)表现为轻微依赖(残差相关= -0.34),项目1(抑郁情绪)表现为可疑的不匹配(INFIT和OUTFIT ZSTD >.00)。信度较理想(Cronbach’s α = 0.91;人分离指数= 2.24)。反应类别的难度单调增加,无紊乱现象。没有发现跨性别、年龄和教育程度的DIF。HAMD-6对中度抑郁个体表现出最佳的辨别能力。建立了原始评分与区间数据的换算表。结论:通过Rasch模型证实HAMD-6在重度抑郁症患者中具有可接受的心理测量特征。它为中度抑郁个体提供了更优的辨别能力。转换表可用于更精确的测量。但是,item1、item2和item4需要进一步验证。
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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来源期刊
BMC Psychology
BMC Psychology Psychology-Psychology (all)
CiteScore
3.90
自引率
2.80%
发文量
265
审稿时长
24 weeks
期刊介绍: BMC Psychology is an open access, peer-reviewed journal that considers manuscripts on all aspects of psychology, human behavior and the mind, including developmental, clinical, cognitive, experimental, health and social psychology, as well as personality and individual differences. The journal welcomes quantitative and qualitative research methods, including animal studies.
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