Affiliation:
1. Schroeder Arthritis Institute, University Health Network, Dalla Lana School of Public Health, University of Toronto, and Arthritis Community Research and Epidemiology Unit Toronto Ontario Canada
Abstract
ObjectiveTo characterize the profile of individuals with and without knee osteoarthritis (OA) who fell, and to identify factors contributing to an individual with knee OA experiencing 1 or multiple injurious falls.MethodsData are from the baseline and 3‐year follow‐up questionnaires of the Canadian Longitudinal Study on Aging, a population‐based study of people ages 45–85 years at baseline. Analyses were limited to individuals either reporting knee OA or no arthritis at baseline (n = 21,710). Differences between falling patterns among those with and without knee OA were tested using chi‐square tests and multivariable‐adjusted logistic regression models. An ordinal logistic regression model examined predictors of experiencing 1 or more injurious falls among individuals with knee OA.ResultsAmong individuals reporting knee OA, 10% reported 1 or more injurious falls; 6% reported 1 fall, and 4% reported 2+ falls. Having knee OA significantly contributed to the risk of falling (odds ratio [OR] 1.33 [95% confidence interval (95% CI) 1.14–1.56]), and individuals with knee OA were more likely to report having a fall indoors while standing or walking. Among individuals with knee OA, reporting a previous fall (OR 1.75 [95% CI 1.22–2.52]), previous fracture (OR 1.42 [95% CI 1.12–1.80]), and having urinary incontinence (OR 1.38 [95% CI 1.01–1.88]) were significant predictors of falling.ConclusionOur findings support the idea that knee OA is an independent risk factor for falls. The circumstances in which falls occur differ from those for individuals without knee OA. The risk factors and environments that are associated with falling may provide opportunities for clinical intervention and fall prevention strategies.
Funder
Canadian Institutes of Health Research
Canada Foundation for Innovation
Cited by
2 articles.
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