Abstract
Background: Factors contributing to the higher fall risk among people with intellectual disabilities (PIDs) are complex due to their discrete patterns of multimorbidity. Visual impairment, such as cataract, was common at old age and could be a crucial risk factor. Given the insufficient evidence regarding this relationship, the present study aimed at investigating this issue in a hostel setting in Hong Kong. Methods: This study was conducted in four hostels which served people with moderate to severe intellectual disability. Health data of residents collected in the year of 2022-23 was utilized for the current analysis. Data included fall risk, assessed by Morse Fall Scale, as well as other health conditions (osteoporosis, osteoarthritis, cataract) and demographics (age and gender) among residents. Results: The sample consisted of 199 residents (85 were males and 114 females), with an age range of 22 to 76 years. Around 40% (85; 42.7%) of them aged above 45 years old. Among the whole sample, cataract was the most common health condition and its prevalence reached 27.14%. Those who aged 45-year or above were 4.61 times (95%CI 2.09-11.07) more likely to have cataract. Bivariate analysis results showed that presence of fall risk was associated with older age (above 45 years old; OR 2.38; 95%CI 1.28-4.49), diagnosis of cataract (OR 3.3; 95%CI 1.71-6.33) and osteoarthritis (OR 12.68; 95%CI 1.70-564.75). Logistic regression analysis further illustrated that cataract (p = 0.04) remained as a significant predictor of fall risk after controlling age, gender, osteoarthritis and osteoporosis in the model. Conclusion: Our data showed that presence of cataract diagnosis was significantly associated with higher fall risk among PIDs in hostel setting. Given cataract was a prevalent condition especially among aging PIDs, early screening and intervention could be crucial components of fall prevention strategy in a hostel setting.
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