Miller L Stephen, Brown Courtney L, Mitchell Meghan B, Williamson Gail M
University of Georgia, Athens, GA, USA.
J Appl Gerontol. 2013 Feb;32(1):3-30. doi: 10.1177/0733464811405495. Epub 2011 Apr 19.
We compared the extent to which subjective report of activities of daily living (ADLs) by caregivers and older adults were associated with objective measures of older adults' cognition. In independent studies (Study 1 N = 238; Study 2 N = 295), bivariate correlations and multiple regression analyses examined the association of caregiver and self-rated reports of older adult basic, instrumental, and total ADLs and older adult cognition. We examined the magnitude of the caregiver/self-report discrepancy and older adult cognition. In both studies, caregiver reports more accurately accounted for older adult cognitive differences. Older adult visuospatial/constructional deficits were uniquely related to caregiver basic ADL reports. Results indicate that caregiver reports of older adult ADLs are more reliable indicators of older adult cognition than self-reports, and this difference grows as older adult cognition decreases. Thus, older adult ADL assessment may be useful in providing information on potential cognitive decline.
我们比较了照顾者和老年人对日常生活活动（ADL）的主观报告与老年人认知客观测量之间的关联程度。在独立研究中（研究1，N = 238；研究2，N = 295），双变量相关性和多元回归分析检验了照顾者报告及老年人自评的基本、工具性和总ADL与老年人认知之间的关联。我们考察了照顾者报告/自我报告差异的程度以及老年人的认知情况。在两项研究中，照顾者的报告能更准确地解释老年人的认知差异。老年人的视觉空间/建构缺陷与照顾者对基本ADL的报告有独特关联。结果表明，与自我报告相比，照顾者对老年人ADL的报告是老年人认知更可靠的指标，且随着老年人认知能力下降，这种差异会增大。因此，老年人ADL评估可能有助于提供有关潜在认知衰退的信息。
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