Downloaded from http://jech.bmj.com/ on July 12, 2017 - Published by group.bmj.com

JECH Online First, published on July 5, 2017 as 10.1136/jech-2016-208853 Research report

Assessing the measurement properties of a Frailty Index across the age spectrum in the Canadian Longitudinal Study on Aging David M Kanters,1 Lauren E Griffith,1,2,3 David B Hogan,4 Julie Richardson,5 Christopher Patterson,6 Parminder Raina1,2,3 ►► Additional material is published online only. To view please visit the journal online (http://d​ x.​doi.o​ rg/​10.​1136/​ jech-2​ 016-​208853). 1

Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Canada 2 McMaster Institute for Research on Aging, Hamilton, Canada 3 Labarge Centre for Mobility in Aging, McMaster University, Hamilton, Canada 4 Division of Geriatric Medicine, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Canada 5 School of Rehabilitation Science, McMaster University, Hamilton, Canada 6 Division of Geriatric Medicine, Department of Medicine, McMaster University, Hamilton, Canada Correspondence to Dr Lauren E Griffith, Department of Health Research Methods, Evidence, and Impact, MIP 309A, McMaster University, 175 Longwood Rd. S., Hamilton, ON L8P 0A1, Canada; ​griffith@​ mcmaster.​ca Received 21 December 2016 Revised 24 May 2017 Accepted 29 May 2017

Abstract Background  Frailty is a way to appreciate the variable vulnerability to declining health status of people as they age. No consensus for measuring frailty has been established. This study aimed to adapt a Frailty Index (FI) to the Canadian Longitudinal Study on Aging (CLSA) and evaluate its applicability in both younger and older adults. Methods  An FI was created based on 90 potential health deficits collected from adults aged 45–85 years at recruitment (N=21 241, 49.0% male). The construct validity of this instrument and the factor structure of the health deficits were evaluated. Results  The direction of associations between the FI and other variables were consistent with a priori hypotheses for construct validity. FI values were significantly associated with age (r=0.17; p

Assessing the measurement properties of a Frailty Index across the age spectrum in the Canadian Longitudinal Study on Aging.

Frailty is a way to appreciate the variable vulnerability to declining health status of people as they age. No consensus for measuring frailty has bee...
374KB Sizes 3 Downloads 11 Views