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- Title
Late-Life Body Mass Index and Waist Circumference in Amnestic Mild Cognitive Impairment and Alzheimer's Disease.
- Authors
Leung-Wing Chu; Tam, Sidney; Lee, Peter W. H.; Ping-Yiu Yik; Youqiang Song; Cheung, Bernard M. Y.; Lam, Karen S. L.
- Abstract
We investigated the progressive associations of late-life body mass index (BMI) and waist circumference (WC) with amnestic mild cognitive impairment (aMCI) and Alzheimer's disease (AD) in Chinese older adults in a case-control study. Late-life BMI and WC were measured. AD was diagnosed by the NINCDS-ADRDA criteria for probable AD and aMCI by the Petersen's criteria. 426 Chinese older adults [125 AD, 125 aMCI and 176 controls with normal cognition (NC)], aged 55 to 93 years old, were recruited. Both BMI and WC decreased significantly across the normal, aMCI, and AD groups (dementia diagnostic group: p for trend < 0.001 and 0.016 respectively, 1-way ANOVA). After adjustment for significant confounders, multivariate general linear model analyses showed that the dementia diagnostic group (AD/aMCI/NC) was a significant independent predictor of both the late-life BMI and late-life WC (p = 0.002 and 0.018 respectively). In conclusion, late-life BMI and WC progressively decrease in older adults with normal cognition, aMCI, and AD. Low late-life BMI and WC represent potentially useful pre-clinical markers of aMCI and AD.
- Publication
Journal of Alzheimer's Disease, 2009, Vol 17, Issue 1, p223
- ISSN
1387-2877
- Publication type
Academic Journal
- DOI
10.3233/JAD-2009-1043