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Hand grip strength and cognitive function among elderly cancer survivors

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posted on 2023-07-26, 14:20 authored by Lin Yang, Ai Koyanagi, Lee Smith, Liang Hu, Graham Colditz, Adetunji Toriola, Guillermo F. López-Sánchez, Davy Vancampfort, Mark Hamer, Brendon Stubbs, Thomas Waldhör
Background: We evaluated the associations of handgrip strength and cognitive function in cancer survivors ≥ 60 years old using data from the National Health and Nutrition Examination Survey (NHANES). Methods: Data in two waves of NHANES (2011-2014) were aggregated. Handgrip strength in kilogram (kg) was defined as the maximum value achieved using either hand. Two cognitive function tests were conducted among adults 60 years and older. The Animal Fluency Test (AFT) examines categorical verbal fluency (a component of executive function), and the Digital Symbol Substitution test (DSST) assesses processing speed, sustained attention, and working memory. Survey analysis procedures were used to account for the complex sampling design of the NHANES. Multiple linear regression models were used to estimate associations of handgrip strength with cognitive test scores, adjusting for confounders (age, gender, race/ethnicity, education, marital status, smoking status, depressive symptoms and leisure time physical activity). Results: Among 383 cancer survivors (58.5% women, mean age=70.9 years, mean BMI=29.3 kg/m2), prevalent cancer types were breast (22.9%), prostate (16.4%), colon (6.9%) and cervix (6.2%). In women, each increase in kg of handgrip strength was associated with 0.20 (95% CI: 0.08 to 0.33) higher score on AFT and 0.83 (95% CI: 0.30 to 1.35) higher score on DSST. In men, we observed an inverted U-shape association where cognitive function peaked at handgrip strength of 40-42 kg. Conclusions: Handgrip strength, a modifiable factor, appears to be associated with aspects of cognitive functions in cancer survivors. Prospective studies are needed to address their causal relationship.

History

Refereed

  • Yes

Volume

13

Issue number

6

Page range

e0197909

Publication title

PLOS ONE

ISSN

1932-6203

Publisher

Public Library of Science

File version

  • Published version

Language

  • eng

Legacy posted date

2018-05-15

Legacy creation date

2018-05-12

Legacy Faculty/School/Department

ARCHIVED Faculty of Science & Technology (until September 2018)

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