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Cognitive Function, Diabetes, and Recurrent Falls: From the Health ABC Study
Amy C Ellis1, Chuong Bui2, Andrea L Rosso3
1Department of Human Nutrition, The University of Alabama, Tuscaloosa, AL, USA.
Summary
Diabetes increases the risk of recurrent falls in older adults, but physical function may mediate this link. Maintaining cognitive function consistently lowers fall risk, independent of diabetes status.
Area of Science:
- Gerontology
- Epidemiology
- Neuroscience
Background:
- Diabetes is a prevalent chronic condition in older adults.
- Recurrent falls are a major cause of injury and disability in the elderly.
- The interplay between diabetes, cognition, and falls requires further investigation.
Purpose of the Study:
- To examine the associations between diabetes, cognitive performance, and recurrent falls in community-dwelling older adults.
- To investigate the potential mediating role of physical function in the diabetes-fall relationship.
- To determine if cognitive function influences fall risk independently of diabetes.
Main Methods:
- Longitudinal analysis of the Health, Aging and Body Composition study cohort.
- Inclusion of men and women aged 70-79, initially free of mobility limitations.
- Assessment of diabetes status, recurrent falls, cognitive scores (Digit Symbol Substitution Test), and physical performance over 10 years.
Main Results:
- Participants with diabetes exhibited higher odds of recurrent falls (OR = 1.38).
- This association was not significant after controlling for physical function (OR = 1.23).
- Higher cognitive scores were associated with lower odds of recurrent falls (OR = 0.96), irrespective of physical function or diabetes status.
Conclusions:
- Physical function may mediate the relationship between diabetes and recurrent falls in older adults.
- Cognitive function is a significant protective factor against falls, independent of diabetes.
- Strategies to maintain physical and cognitive health are crucial for fall prevention in aging populations.
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