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송라윤 ( Song Rha-Yun ) - Chungnam National University College of Nursing
강문희 ( Gang Moon-hee ) - Chungnam National University College of Nursing
박명화 ( Park Myong-Hwa ) - Chungnam National University College of Nursing
박문경 ( Park Moon-Kyoung ) - Chungnam National University College of Nursing
장명옥 ( Jang Myoung-Ock ) - Chungnam National University College of Nursing
황인옥 ( Hwang In-Ok ) - Chungnam National University Sejong Hospital
김정란 ( Kim Jeong-Lan ) - Chungnam National University College of Medicine
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Abstract
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Purpose: The purpose of this study was to validate the Korean version of the mild cognitive impairment questionnaire (K-MCQ) to assess quality of life of older adults with mild cognitive impairment.
Methods: The translation and linguistic validation process was completed according to Oxford University’s guidelines and the K-MCQ’s developer. The K-MCQ was expertly reviewed to calculate the content validity index (CVI). After pilot testing, the K-MCQ’s final format was applied to 130 adults with mild cognitive impairment for reliability and validity testing using item analysis, exploratory and confirmatory factor analysis, and internal consistency. The SF-12 is an established quality-of-life instrument that measures criterion validity and the MoCA-K measures concurrent validity.
Results: The K-MCQ consisted of 13 items on a 5-point Likert scale and two factors (practical and emotional concerns) explained 67.0% and 72.9%, respectively. The K-MCQ verified discriminant validity in confirmatory factor analysis, criterion validity with a significant correlation with the SF-12 health survey, and concurrent validity with a significant correlation with cognitive function. Reliability was confirmed with Cronbach’s alpha=.92.
Conclusion: These findings indicate that the K-MCQ is a reliable and valid measure of quality of life, which can assess quality of life of older Korean adults with mild cognitive impairment.
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KeyWords
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인지장애, 삶의 질, 타당화 연구, 노인
Cognitive dysfunction, Quality of Life, Validation Studies as Topic, Aged
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원문 및 링크아웃 정보
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등재저널 정보
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