Validity and responsiveness of the FRAIL scale in a longitudinal cohort study of older Australian women

Gardiner, Paul A., Mishra, Gita D. and Dobson, Annette J. (2015) Validity and responsiveness of the FRAIL scale in a longitudinal cohort study of older Australian women. Journal of the American Medical Directors Association, 16 9: 781-783. doi:10.1016/j.jamda.2015.05.005

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Author Gardiner, Paul A.
Mishra, Gita D.
Dobson, Annette J.
Title Validity and responsiveness of the FRAIL scale in a longitudinal cohort study of older Australian women
Journal name Journal of the American Medical Directors Association   Check publisher's open access policy
ISSN 1538-9375
1525-8610
Publication date 2015-09
Sub-type Article (original research)
DOI 10.1016/j.jamda.2015.05.005
Volume 16
Issue 9
Start page 781
End page 783
Total pages 3
Place of publication Philadelphia, PA United States
Publisher Elsevier
Collection year 2016
Language eng
Formatted abstract
Background:  To assess the validity and responsiveness of the FRAIL scale and investigate whether validity is related to the number of points used on the scale.

Methods:  Participants were 12,432 women born in 1921–1926 from the Australian Longitudinal Study on Women's Health; surveyed up to 6 times from 1996 to 2011. The FRAIL scale is a 5-item measure and scored as a 6-, 3-, or 2-point measure. Face validity was determined by assessing relationships with age, construct validity was determined by assessing relationships with measures of disability (activities of daily living and independent activities of daily living), and responsiveness was determined by assessing relationships with changes in self-rated health.

Results:  The proportion of women who reported their frailty as high (4 or 5 on a scale of 0 to 5) increased with age from 5.6% at age 73–78 years to 16.2% at age 85–90 years. The FRAIL scale was moderately correlated with disability, Spearman's rho ≥0.4 for activities of daily living and ≥0.5 for independent activities of daily living; slightly stronger associations were observed when it was scored as a 6-point measure. Mean change (95% confidence interval) in FRAIL 6-point scores decreased for women who reported improvements in self-rated health between successive surveys; by at least 0.08 (0.01, 0.15) and increased in those women who reported declines in self-rated health by at least 0.64 (0.57, 0.70).

Conclusions:  The FRAIL scale is valid and responsive and is suitable for use in longitudinal studies of women in their 70s and older.
Keyword Frailty
Validity
Responsiveness
Cohort studies
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: Mater Research Institute-UQ (MRI-UQ)
Non HERDC
School of Public Health Publications
 
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