ArticleClinical interventions in aging2025
Association Between Weight-Adjusted Waist Index and Cognitive Function in Older Adults Without Diabetes: A Cross-Sectional Study.
Article in Clinical interventions in aging, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- The Relationship between Biological Aging and Cognitive Function: A Machine Learning Model.Yonsei medical journal · 2026Article
- Association of Weight-Adjusted-Waist Index With Brain Health: A 16-Year Population-Based Longitudinal Cohort Study.CNS neuroscience & therapeutics · 2026Article
- Depression reduces cognitive function partly through effects on BMI and hypertension: a large observational study and Mendelian randomization analysis.BMC psychiatry · 2025Observational
- The association between weight-adjusted-waist index and cognitive function: the cross-sectional and longitudinal evidence from CHARLS.Frontiers in nutrition · 2025Article
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Authors and funding
7 authors.
Funding
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Abstract
Background: This study investigates the correlation between the weight-adjusted waist index (WWI) and cognitive performance in the senior American population, focusing on those without diabetes from 2011 to 2014. Methods: We analyzed data from the 2011-2012 and 2013-2014 National Health and Nutrition Examination Surveys (NHANES), focusing on non-diabetic participants aged 60 and older who completed cognitive tests: Establish a Registry for Alzheimer's disease (CERAD), the Animal Fluency test (AFT), and Digit Symbol Substitution test (DSST). WWI was calculated using waist circumference divided by the square root of body weight. We employed linear univariate and multivariate analyses, along with curve fitting, we conducted subgroup and interaction analyses to elucidate the relationships under investigation. Results: The study incorporated a cohort of 1649 participants aged 60 years and older, each with a complete set of data, enabling a thorough analysis. After adjusting for confounding factors, significant negative correlations were found between WWI and both CERAD (β: -0.48; 95% CI: -0.92 to -0.05; P=0.03) and DSST (β: -1.15; 95% CI: -2.09 to -0.21; P=0.017) scores, suggesting a link to cognitive decline. No association was found with AFT scores. The relationship between WWI and DSST was found to be nonlinear (P for non-linearity=0.022). Additionally, the association between WWI and CERAD was also observed (P for non-linearity=0.042). However, linear relationships were observed between WWI and AFT (P for non-linearity=0.418). The subgroup analysis was overall stable. Conclusion: Our cross-sectional study indicates a strong link between a high WWI and reduced cognitive function in non-diabetic older Americans, as shown by CERAD and DSST scores. Attaining an optimal WWI may be vital for cognitive decline, highlighting its role in a potential preventative approach. Clinical Trial Registry Number and Website Where It Was Obtained: The study design and data are publicly accessible at www.cdc.gov/nchs/nhanes/.
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