Normative values for grip strength, gait speed, timed up and go, single leg balance, and chair rise derived from the Canadian longitudinal study on ageing

Author:

Mayhew Alexandra J123,So Hon Y4,Ma Jinhui123,Beauchamp Marla K35,Griffith Lauren E123,Kuspinar Ayse35,Lang Justin J67,Raina Parminder123

Affiliation:

1. McMaster University Department of Health Research Methods, Evidence, and Impact, Faculty of Health Sciences, , Hamilton, Ontario, Canada

2. Labarge Centre for Mobility in Aging , Hamilton, Ontario, Canada

3. McMaster Institute for Research on Aging , Hamilton, Ontario, Canada

4. Oakland University Department of Mathematics & Statistics, Rochester, , Rochester, MI, USA

5. McMaster University School of Rehabilitation Science, Faculty of Health Sciences, , Hamilton, Ontario, Canada

6. Centre for Surveillance and Applied Research, Public Health Agency of Canada , Ottawa, Ontario, Canada

7. University of Ottawa School of Epidemiology and Public Health, Faculty of Medicine, , Ottawa, Ontario, Canada

Abstract

Abstract Background decreased muscle strength and physical function often precede disability, nursing home admission, home care use and mortality in older adults. Normative values for commonly used physical performance-based tests are not widely available for older adults but are required for clinicians and researchers to easily identify individuals with low performance. Objective to develop normative values for grip strength, gait speed, timed up and go, single-leg balance and five-repetition chair rise tests in a large population-based sample of Canadians aged 45–85 years. Methods baseline data (2011–2015) from the Canadian Longitudinal Study on Ageing was used to estimate age- and sex-specific normative values for each of the physical tests. Participants were without disability or mobility limitation (no assistance with activities of daily living or use of mobility devices). Results of the 25,470 participants eligible for the analyses 48.6% (n = 12,369) were female with a mean age of 58.6 ± 9.5 years. Sex-specific 5th, 10th, 20th, 50th, 80th, 90th and 95th percentile values for each physical performance-based test were estimated. Cross-validation (n = 100 repetitions) with a 30% holdout sample was used to evaluate model fit. Conclusions the normative values developed in this paper can be used in clinical and research settings to identify individuals with low performance relative to their peers of the same age and sex. Interventions targeting these at-risk individuals including physical activity can prevent or delay mobility disability and the resulting cascade of increasing care requirements, health care costs and mortality.

Publisher

Oxford University Press (OUP)

Subject

Geriatrics and Gerontology,Aging,General Medicine

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