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Health-Related Quality of Life and Health Utility for the Institutional Elderly in Taiwan
Kuan-Lang Lai, Rong-Jye Tzeng, Bing-Long Wang, Hong-Shen Lee, Roger L. Amidon and Senyeong Kao
Quality of Life Research
Vol. 14, No. 4 (May, 2005), pp. 1169-1180
Published by: Springer
Stable URL: http://www.jstor.org/stable/4039378
Page Count: 12
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Objective: To explore the health-related quality of life (HRQOL) and health utility in an institutional elderly population. Methods: Four hundred sixty-five elderly persons living in long-term care institutions in Taiwan were interviewed using Taiwan's abbreviated version of the World Health Organization Quality of Life (WHOQOL-BREF), rating scale (RS) and the Time-Trade-Off (TTO) utility measurement. Results: The WHOQOL-BREF showed acceptable internal consistency (α range: 0.75-0.80 across domains) and validity. The sexual activity facet had the lowest response rate. Educational level, number of chronic diseases, physical performance, and number of caregivers had significant (p < 0.05) impacts on the domain scores of the WHOQOL-BREF. Physical performance had the strongest impact on the physical domain (R2 = 0.40) and accounted for significant percentages of the variance on the other three domains (R2 = 0.06-0.13). The mean RS score (score 0-100) was 61.3 ± 16.2 (mean ± SD). The mean TTO utility (score 0.1) was 0.92 ± 0.22. Conclusions: Results indicate that the WHOQOL-BREF, excepting the sexual activity item, is useful for evaluating HRQOL of conscious elderly in institutions. The validity of TTO utility for studying the institutionalized elderly needs further evaluation.
Quality of Life Research © 2005 Springer