measurement matters: higher waist-to-hip ratio but not body mass index is associated with deficits in executive functions and episodic memory

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ID: 200177
2018
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Abstract
Background The current study aimed to reconcile the inconsistent findings between obesity, executive functions, and episodic memory by addressing major limitations of previous studies, including overreliance on body mass index (BMI), small sample sizes, and failure to control for confounds. Methods Participants consisted of 3,712 midlife adults from the Cognitive Project of the National Survey of Midlife Development. Executive functions and episodic memory were measured by a battery of cognitive function tests. Results We found that higher waist-to-hip ratio was associated with deficits in both executive functions and episodic memory, above and beyond the influence of demographics, comorbid health issues, health behaviors, personality traits, and self-perceived obesity. However, higher BMI was not associated with deficits in executive functions and episodic memory. More importantly, these differential associations were robust and stable across adulthood. Discussion Our findings confirm the association between obesity and episodic memory while highlighting the need for better measures of obesity when examining its associations with individual differences in cognitive functions.
Reference Key
hartanto2018peerjmeasurement Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Andree Hartanto;Jose C. Yong
Journal pediatrics
Year 2018
DOI
10.7717/peerj.5624
URL
https://peerj.com/articles/5624/
Keywords
body mass index executive functions

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