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KMID : 0895920210230010034
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Journal of Korean Gerontological Nursing
2021 Volume.23 No. 1 p.34 ~ p.42
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A psychometric evaluation of a Korean version of the quality of life in late stage dementia scale
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Jeong Eun-Hye
Park Min-Sun
Lee Ye-Na
Chang Sung-Ok
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Abstract
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Purpose: This study was conducted to translate and validate a Korean version of the Quality of Life in Late-Stage Dementia (QUALID-K) scale.
Methods: A cross-sectional design was applied to culturally adapt and validate the scale. A total of 197 participants from two long-term care hospitals in Korea were recruited. The psychometric properties of the QUALID-K scale, including dimensionality of subscales, concurrent, discriminant, and convergence validity, test-retest reliability, inter-rater reliability, and internal consistency were evaluated.
Results: The QUALID-K scale’s dimensionality differed from the original one-factor structure, and a three-factor model better fit the data. The validity analysis showed a significant association of the QUALID-K with cognitive function, activities of daily living, depressive symptoms, and pain. Test-retest and inter-rater analysis confirmed the measurement’s stability.
Conclusion: The QUALID-K scale appears to be a reliable and valid measurement to assess the quality of life for those with severe dementia in the Korean population.
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KEYWORD
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aged, dementia, long-term care, validation study, quality of life
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