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Lookup NU author(s): Dr Sheena Ramsay
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© The Author(s) 2018. Objective: To investigate the influence of single and dual sensory impairments prospectively on cognition in adults aged ⩾50 years. Method: Community-dwelling English adults (n = 4,621) were followed up from 2008 to 2014. Self-reported hearing and vision were collected in 2008. Change in cognitive performance on working memory and executive function between 2008 and 2014 was evaluated. Results: Compared with good hearing and good vision, respectively, poor hearing and poor vision were associated with worse cognitive function (hearing: unstandardized coefficient B = 0.83, 95% Confidence Interval [CI] = [0.29, 1.37]; vision: B = 1.61, 95% CI = [0.92, 2.29] adjusted for age, sex, baseline cognition). Compared with no sensory impairment, dual sensory impairment was associated with worse cognition (B = 2.30, 95% CI = [1.21, 3.39] adjusted for age, sex, baseline cognition). All associations remained after further adjustment for sociodemographic characteristics, lifestyle factors, chronic conditions, falls, mobility, depression, and lack of companionship. Discussion: The findings are important as age-related sensory impairments are often preventable or modifiable, which may prevent or delay cognitive impairment.
Author(s): Liljas AEM, Walters K, de Oliveira C, Wannamethee SG, Ramsay SE, Carvalho LA
Publication type: Article
Publication status: Published
Journal: Journal of Aging and Health
Print publication date: 01/06/2020
Online publication date: 06/12/2018
Acceptance date: 02/04/2018
ISSN (print): 0898-2643
ISSN (electronic): 1552-6887
Publisher: SAGE Publications Inc.
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