Quality of life assessment in the community-dwelling elderly : validation of the Assessment of Quality of Life (AQoL) instrument and comparison with the SF-36

Osborne, Richard H., Hawthorne, Graeme, Lew, Elizabeth A. and Gray, Len C. 2003, Quality of life assessment in the community-dwelling elderly : validation of the Assessment of Quality of Life (AQoL) instrument and comparison with the SF-36, Journal of clinical epidemiology, vol. 56, no. 2, pp. 138-147.


Title Quality of life assessment in the community-dwelling elderly : validation of the Assessment of Quality of Life (AQoL) instrument and comparison with the SF-36
Author(s) Osborne, Richard H.
Hawthorne, Graeme
Lew, Elizabeth A.
Gray, Len C.
Journal name Journal of clinical epidemiology
Volume number 56
Issue number 2
Start page 138
End page 147
Total pages 10
Publisher Elsevier
Place of publication New York, N.Y.
Publication date 2003
ISSN 0895-4356
1878-5921
Summary Measurement of Health-Related Quality of Life (HRQoL) of the elderly requires instruments with demonstrated sensitivity, reliability, and validity, particularly with the increasing proportion of older people entering the health care system. This article reports the psychometric properties of the 12-item Assessment of Quality of Life (AQoL) instrument in chronically ill community-dwelling elderly people with an 18-month follow-up. Comparator instruments included the SF-36 and the OARS. Construct validity of the AQoL was strong when examined via factor analysis and convergent and divergent validity against other scales. Receiver Operator Characteristic (ROC) curve analyses and relative efficiency estimates indicated the AQoL is sensitive, responsive, and had the strongest predicative validity for nursing home entry. It was also sensitive to economic prediction over the follow-up. Given these robust psychometric properties and the brevity of the scale, AQoL appears to be a suitable instrument for epidemiologic studies where HRQoL and utility data are required from elderly populations.
Language eng
Field of Research 111702 Aged Health Care
111706 Epidemiology
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2003, Elsevier Science Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025459

Document type: Journal Article
Collection: School of Health and Social Development
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