Psychometric Evaluation of the Chinese Version of Mild Cognitive Impairment Questionnaire among Older Adults with Mild Cognitive Impairment

Qingmin Dai, Hong Su, Zanhua Zhou, Caifu Li, Jihua Zou, Ying Zhou, Rhayun Song, Yang Liu, Lijuan Xu () and Yuqiu Zhou ()
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Qingmin Dai: Ecology College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Hong Su: Department of Nursing, Daqing Campus, University of Harbin Medical, 39 Shinyo Road, Daqing 163319, China
Zanhua Zhou: Medicine College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Caifu Li: Medicine College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Jihua Zou: Medicine College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Ying Zhou: Medicine College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Rhayun Song: Nursing College, Chungnam National University, 266 Munwha-dong, Daejeon 35015, Republic of Korea
Yang Liu: Department of Nursing, Daqing Campus, University of Harbin Medical, 39 Shinyo Road, Daqing 163319, China
Lijuan Xu: Medicine College, Lishui University, No. 1 Xueyuan Road, Lishui 323000, China
Yuqiu Zhou: Department of Nursing, Daqing Campus, University of Harbin Medical, 39 Shinyo Road, Daqing 163319, China

IJERPH, 2022, vol. 20, issue 1, 1-11

Abstract: Background: There is a lack of instruments for measuring quality of life (QOL) in Chinese patients with mild cognitive impairment (MCI). This study aimed to translate the Mild Cognitive Questionnaire (MCQ) into the Chinese language and to evaluate the reliability and construct validity of the MCQ-Chinese among older adults with MCI. Methods: Linguistic translation and validation of the questionnaire were conducted according to the MCQ developer and Oxford University Innovation guidelines. After a pilot test, the final version of the MCQ-Chinese was applied to a convenience sample of older adults with MCI (n = 186). Cronbach’s alpha and confirmatory factor analyses were used to assess the reliability and construct validity of the MCQ-Chinese. In addition, non-parametric analysis was used to assess convergent and discriminant validity. Results: The total scale and all the factors had good internal consistency, with Cronbach’s alpha values ranging from 0.90 to 0.92. Confirmatory factor analysis indicated satisfactory goodness of fit for the 2-factor MCQ. The MCQ-Chinese had a good convergent validity, and the discriminant validity was confirmed with a significant difference in MCQ scores in different health conditions. Conclusions: MCQ-Chinese is a reliable tool for assessing QOL among Chinese older adults with MCI.

Keywords: mild cognitive questionnaire; older adults; psychometric test; quality of life; reliability; validity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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