A psychometric evaluation of a korean version of the quality of life in late-stage dementia scale
- Authors
- Jeong, E.; Park, M.S.; Lee, Y.-N.; Chang, S.O.
- Issue Date
- 2021
- Publisher
- Korean Gerontological Nursing Society
- Keywords
- Aged; Dementia; Long-term care; Quality of life; Validation study
- Citation
- Journal of Korean Gerontological Nursing, v.23, no.1, pp.34 - 42
- Indexed
- SCOPUS
- Journal Title
- Journal of Korean Gerontological Nursing
- Volume
- 23
- Number
- 1
- Start Page
- 34
- End Page
- 42
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/50735
- DOI
- 10.17079/jkgn.2021.23.1.34
- ISSN
- 2384-1877
- Abstract
- 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 con-vergence 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. © 2021 Korean Gerontological Nursing Society.
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