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Supplementary Material for: The Metabolic Syndrome and Cognitive Decline in the Atherosclerosis Risk in Communities Study (ARIC)

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posted on 20.08.2014, 00:00 by Dearborn J.L., Knopman D., Sharrett A.R., Schneider A.L.C., Jack Jr. C.R., Coker L.H., Alonso A., Selvin E., Mosley T.H., Wagenknecht L.E.
Background: Midlife metabolic syndrome (MetS) may impact cognitive health as a construct independently of hypertension, hyperlipidemia and other components. Methods: 10,866 participants aged 45-64 years at baseline were assessed for MetS and completed cognitive testing at two later time points (3 and 9 years from the baseline visit). Results: MetS is associated with increased odds of low cognitive performance in the domains of executive function and word fluency, but not with 6-year cognitive decline. Individual MetS components explained this association (hypertension, diabetes, low HDL, elevated triglycerides and increased waist circumference). Conclusions: A focus on the individual risk factors as opposed to MetS during midlife is important to reduce the incidence of cognitive impairment in later life.

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