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. 2024 Sep;28(3):330-341.
doi: 10.4235/agmr.24.0055. Epub 2024 May 17.

The Association between Physical Frailty and Cognitive Performance in Older Adults Aged 60 to 96 Years: Data from the "Good Aging in Skåne" (GÅS) Swedish Population Study

Katrina Lundberg  1 , Sölve Elmståhl  1 , Lena Sandin Wranker  1 , Henrik Ekström  1
Affiliations

The Association between Physical Frailty and Cognitive Performance in Older Adults Aged 60 to 96 Years: Data from the "Good Aging in Skåne" (GÅS) Swedish Population Study

Katrina Lundberg et al. Ann Geriatr Med Res. 2024 Sep.

Abstract

Background: The association between physical frailty and performance in different cognitive domains in the absence of cognitive disorders is poorly understood. Hence, we aimed to explore the associations between frailty levels based on the Fried Physical Frailty Phenotype and performance of different cognitive domains. We also aimed to examine the associations between cognitive function and each criterion in the Fried Frailty Scale using the same cognitive domains in a non-dementia population aged 60-96 years.

Methods: This cross-sectional study included 4,329 participants aged 60-96 years, drawn from the "Good Aging in Skåne" population study. Frailty indices included handgrip strength, physical endurance, body mass index (BMI), physical activity, and walking speed. Cognitive function was assessed across eight domains: episodic memory, processing speed, semantic memory, verbal fluency, working memory, attention, executive function, and visual perception. We constructed adjusted multiple linear regression models for each cognitive domain, with the frailty levels as the independent variable. Likewise, we constructed linear regression models with each cognitive domain as the dependent variable and frailty criteria as independent variables.

Results: Physical frailty was associated with poor performance in episodic memory, processing speed, semantic memory, verbal fluency, working memory, attention, and executive functions (p<0.001 for all associations). Weaker hand grip strength was independently associated with poorer performance in all cognitive domains (p < 0.015).

Conclusion: Higher levels of frailty were associated with poorer performance in all cognitive domains except visual perception. Describing frailty by considering cognitive functioning may provide a better understanding of frailty.

Keywords: Cognition; Frail older adults; Population surveillance.

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Conflict of interest statement

CONFLICT OF INTEREST

The researchers claim no conflicts of interest.

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