The Standardization of the Ge riatric Quality of Life s cale-Dementia(GQOL-D)
Objectives : We developed the instrument to assess the quality of life(QOL) for demented patients, 'Geriatric Quality of Life-Dementia(GQOL-D)'. The purpose of this study was to standardize the GQOL-D and to introduce administration results in Korean demented patients. METHODS: The normal subjects were 340 elderly people, aged over 55 years old, who were physically and cognitively normal. And the patient group was consisted of 69 demented patients. RESULTS: Both in normal group and in patient group, the internal consistency, Cronbach's = 0.87, 0.90, respectively, and item-total correlation was acceptable. And the test-retest reliability revealed the stability across time by r=0.86, 0.77, respectively. Criterion validity was found to be a high correlation between each itemand overall QOL' item, and adequate correlations between the GQOL-D and scales assessing cognition, psychological wellbeing, behavior and activities of daily living convinced convergent validity. In the result of factor analysis, 2 factors with a variance percentage of 37.7% were extracted. The mean score and standard deviation of items of the GQOL-D for two groups and differences in items such as memory, recreation/leisure, self esteem, general health, and mobility between groups were presented. CONCLUSION: It was confirmed that there is no difficulty for old people to carry out the GQOL-D. As it was suggested that there is enough room for intervening in dementia patients' emotional and behavioral difficulties, the GQOL-D will be useful in research and clinical practice for the patients with dementia.
Journal of the Korean Geriatrics Society
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Lee, Hyoung Suk; Kim, Ji Hae; Ko, Hye Jung; Ku, Hyoung Mo; Kwon, Eui Jung; Shin, Ji Young; Ahn, In Sook; Chung, Sung Ho; and Kim, Doh Kwan, "The Standardization of the Ge riatric Quality of Life s cale-Dementia(GQOL-D)" (2004). SIAS Faculty Publications. 447.