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在NACC数据集中,老年抑郁症尺度简体表格的差异项目功能
Brenna N Renn1, Chad L Cross2, Ishrat Zaman3
1Department of Psychology, University of Nevada, Las Vegas, Nevada, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|February 12, 2026
概括
老年抑郁症尺度 - 简称 (GDS-SF) 在大多数项目中都显示出偏见,特别是在认知障碍患者中. 这意味着抑郁症症状可能会在患有阿尔茨海默氏症等疾病的老年人中被不准确地测量.
科学领域:
- 老年学是指老年学的学科.
- 心理测量 心理测量 心理测量
- 神经科学是一个神经科学.
背景情况:
- 老年抑郁量表 - 简称 (GDS-SF) 是广泛用于评估老年人的抑郁症.
- 识别测量偏差对于在不同人群中准确评估抑郁症至关重要.
研究的目的:
- 在国家阿尔茨海默氏症协调中心 (NACC) 统一数据集 (UDS) 中检查GDS-SF的差异项目功能 (DIF).
- 确定可能在GDS-SF.中引入测量偏差的人口和认知变量.
主要方法:
- 分析了14077个人第一次访问NACC的数据.
- 使用多个指标,多个原因 (MIMIC) 模型来评估15项GDS-SF中的DIF.
- 通过种族,种族,语言,性别和认知状态 (临床痴呆评分 (CDR) 尺度) 检查的DIF,调整为教育.
主要成果:
- 大多数GDS-SF项目 (共15个项目中的13个) 显示出显著的DIF.
- 认知状态 (CDR) 是DIF最强的预测因素,受损个体更有可能支持抑郁症状.
- 只有"绝望"和"毫无价值"的项目在所有组中都是不变的.
结论:
- 在GDS-SF中存在广泛的DIF,特别受认知障碍严重程度的影响.
- 即使是轻度认知障碍的个体也可能对GDS-SF项目有不同的反应.
- 结果突出了特定的GDS-SF项目,这些项目是可靠的,以及那些对老年人,特别是那些认知能力下降的人有问题的.
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