Body Mass Index and Decline of Cognitive Function

Sujin Kim, Yongjoo Kim and Sang Min Park

PLOS ONE, 2016, vol. 11, issue 2, 1-14

Abstract: Background: The association between body mass index (BMI) and cognitive function is a public health issue. This study investigated the relationship between obesity and cognitive impairment which was assessed by the Korean version of the Mini-mental state examination (K-MMSE) among mid- and old-aged people in South Korea. Methods: A cohort of 5,125 adults, age 45 or older with normal cognitive function (K-MMSE≥24) at baseline (2006), was derived from the Korean Longitudinal Study of Aging (KLoSA) 2006~2012. The association between baseline BMI and risk of cognitive impairment was assessed using multiple logistic regression models. We also assessed baseline BMI and change of cognitive function over the 6-year follow-up using multiple linear regressions. Results: During the follow-up, 358 cases of severe cognitive impairment were identified. Those with baseline BMI≥25 kg/m2 than normal-weight (18.5≤BMI

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0148908

DOI: 10.1371/journal.pone.0148908

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