虚拟厨房挑战版2:对老年人日常功能数字评估的验证
medRxiv : the preprint server for health sciences
|August 20, 2025
概括
虚拟厨房挑战版2 (VKC-2) 是一种有效可靠的工具,用于评估老年人的日常功能,为传统方法提供有效的替代方案. 这种客观测量准确地识别了整个衰老谱的认知衰退.
科学领域:
- 老年学和认知衰老研究研究
- 神经心理学和功能评估
- 人与计算机在医疗保健中的互动
背景情况:
- 传统的功能评估依赖于主观的自我/告知者报告,容易产生偏见,缺乏标准化.
- 现有的基于绩效的评估通常需要大量的时间来管理和评分.
- 需要对老年人提供客观,标准化和高效的功能评估工具.
研究的目的:
- 评估虚拟厨房挑战版2 (VKC-2) 的有效性和可靠性.
- 建立VKC-2作为老年人功能评估的客观,标准化和高效的替代方案.
- 评估VKC-2在认知衰老的范围,从临床前到轻度痴呆.
主要方法:
- 236名不同的老年人接受了神经心理评估,并在虚拟厨房环境中完成了VKC-2.
- VKC-2涉及使用触摸屏接口完成早餐和午餐任务,并进行自动评分.
- 用各种比较和重复测量来评估构造和收的有效性,重复测试和内部可靠性.
主要成果:
- VKC-2显示出强大的构造有效性,健康的认知参与者表现优于认知障碍者 (所有ps<.001).
- 与现实世界任务,认知测试和功能问卷的显著相关性 (r值=-.58~.64,ps<.001) 支持了趋同有效性.
- 观察到高的复试可靠性 (κ = 0.27,p < .001) 和良好的内部一致性 (斯皮尔曼-布朗相关性 .77 到 .81).
结论:
- VKC-2是对各种老年人的日常功能进行有效,有效和敏感的测量.
- VKC-2适用于大规模的纵向研究,临床试验和临床评估.
- VKC-2显示了改善衰老中的功能评估的希望,特别是当信息人员无法使用时.
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