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- Title
NORMATIVE AND PSYCHOMETRIC PROPERTIES OF THE WHOQOL OLDER ADULTS MODULE (WHOQOL-OLD) IN THE NATIONAL REPOSITORY.
- Authors
ESER, Erhan; BİLGİN ŞAHİN, Berna; ESER, Sultan
- Abstract
Introduction: The main objectives of this study were to present population norms and the construct validity of the WHOQOL-OLD using classical and modern (Rasch) psychometric analyses. Methods: This study was conducted on the pooled data of 29 studies, 16 of which were representative of the population (n=6951). The psychometric properties of the WHOQOL-OLD were evaluated with classical (confirmatory factor analysis and multivariate regression model) and probabilistic test theory (Rasch and DIF) analyses. Results: The mean age of the Turkish WHOQOL-OLD data pool was 73.2±6.8. The mean overall scale score was 81.27±13.57 and the range of the mean dimension scores was between 12.34 (social participation) and 14.59 (intimacy). The elderly (advanced age) and women are more sensitive to the decrease in quality-of-life (QoL) scores. Both Cronbach's alpha values and item analyses indicated good internal consistency for all dimensions. Exploratory factor analyses (EFA) generated five factors instead of a six-factor original scale structure. "Past, present, and future activities" and "social participation" were combined in a single dimension in the EFA. Confirmatory factor analyses resulted in acceptable goodness of fit indices, such as Confirmation Fit Index (CFI)=0.951 and Root Mean Square Error of Approximation (RMSEA)=0.055. Turkish elders perceive the death and dying dimension as culturally closer to the culture of developing countries than developed Western cultures. Conclusion: Turkish older adults' QoL scores were more or less like those of other older adults in developing countries. This study's results confirm that the acceptable psychometric properties of the WHOQOL-OLD-TR with some items (items 9 and 20) need to be worked on further.
- Subjects
TURKEY; PSYCHOMETRICS; STANDARD deviations; CONFIRMATORY factor analysis; EXPLORATORY factor analysis; REGRESSION analysis
- Publication
Turkish Journal of Geriatrics / Türk Geriatri Dergisi, 2022, Vol 25, Issue 3, p476
- ISSN
1304-2947
- Publication type
Article
- DOI
10.31086/tjgeri.2022.306