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Journal of Gerontological Social Work Volume 65, 2022 - Issue 6
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Research Article

Evaluation of the Reliability and Validity of the Alzheimer’s Disease-Related Quality of Life Instrument among Older Adults with Cognitive Impairment in Mainland China

Kaipeng Wanga Graduate School of Social Work, University of Denver, Denver, Colorado, USAORCID Iconhttps://orcid.org/0000-0002-2206-4318View further author information
ORCID Icon,
Xiang Gaob School of Sociology, Huazhong University of Science and Technology, Wuhan, ChinaCorrespondence[email protected]
View further author information
,
Fei Sunc School of Social Work, Michigan State University, East Lansing, Michigan, USAView further author information
,
Carson M. De Friesa Graduate School of Social Work, University of Denver, Denver, Colorado, USAView further author information
&
Sue E. Levkoffd College of Social Social Work, University of South Carolina, Columbia, South Carolina, USAView further author information
Pages 649-663 | Received 21 Jun 2021, Accepted 22 Nov 2021, Published online: 10 Dec 2021
 
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ABSTRACT

The purpose of this study is to examine the reliability and validity of the ADRQL instrument among older adults with cognitive impairment in mainland China. Three hundred older adults with cognitive impairment and their primary family caregivers from Wuhan participated in structured interviews. Cronbach’s α and Kuder–Richardson Formula 20 were used to examine internal consistency reliability. Confirmatory factor analysis, Heterotrait-Monotrait ratios, and ordinary least square regression were used to assess the factorial validity, discriminant validity, and criterion validity. The ADRQL had acceptable reliability and validity, which can be used to assess overall quality of life for this population.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This study was supported by the National Social Science Foundation of China under Grant 17CRK017.

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