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Persons with moderate to severe developmental disabilities are at risk for low-trauma fractures but the associated risk factors have not been well-delineated. A chart review of 224 persons with developmental disabilities living in a residential care facility found that 40 (18%) had sustained 47 low-energy fractures of the appendicular skeleton. Logistic regression demonstrated a strong association between Aboriginal ethnicity and fractures that was not accounted for by other measured variables (adjusted odds ratio [OR] 3.03, 95% CI 1.38-6.69). Phenobarbital use was also a strong independent predictor (OR 2.69, 95% CI 1.18-6.12). The recognition of the high rate of fractures in this population as well as these risk predictors may help to direct screening and targeted interventions for those found to be at highest risk.
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