Visual trajectories and risk of physical and cognitive impairment among older Chinese adults.

Journal of the American Geriatrics Society
Guiying CaoBeibei Xu

Abstract

To identify visual trajectories and examine their relationships with physical and cognitive function in older Chinese adults. Population-based longitudinal study. The Chinese Longitudinal Healthy Longevity Survey. A total of 16,151 participants aged ≥65 years. Visual, physical (including activities of daily living [ADL] and instrumental ADL [IADL]), and cognitive function were assessed at baseline and subsequently every 3 years. ADI disability and IADL disability were defined as needing any help in any item of the Katz scale and a modified Lawton's scale, respectively. Cognitive impairment was defined as a Chinese version of the Mini-Mental State Examination score below 24. A group-based trajectory model was used to determine visual trajectories adjusted for age, sex, and education. Associations of visual trajectories with ADL disability, IADL disability, and cognitive impairment were evaluated using generalized estimating equation models adjusted for potential confounders. This study identified three distinct visual trajectories, including no decline (32.4%), moderate decline (48.3%), and progressive decline (19.3%) during the follow-up period. Compared with the no decline trajectory, both the moderate decline (ADL disability:...Continue Reading

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Citations

Sep 28, 2021·Journal of the American Medical Directors Association·Juan Luis Sánchez-SánchezPhilipe de Souto Barreto

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