Brain function and structure and risk for incident diabetes: The Atherosclerosis Risk in Communities Study

Michael P. Bancks, Alvaro Alonso, Rebecca F. Gottesman, Thomas H. Mosley, Elizabeth Selvin, James S. Pankow

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Introduction: Diabetes is prospectively associated with cognitive decline. Whether lower cognitive function and worse brain structure are prospectively associated with incident diabetes is unclear. Methods: We analyzed data for 10,133 individuals with cognitive function testing (1990–1992) and 1212 individuals with brain magnetic resonance imaging (1993–1994) from the Atherosclerosis Risk in Communities cohort. We estimated hazard ratios for incident diabetes through 2014 after adjustment for traditional diabetes risk factors and cohort attrition. Results: Higher level of baseline cognitive function was associated with lower risk for diabetes (per 1 standard deviation, hazard ratio = 0.94; 95% confidence interval = 0.90, 0.98). This association did not persist after accounting for baseline glucose level, case ascertainment methods, and cohort attrition. No association was observed between any brain magnetic resonance imaging measure and incident diabetes. Discussion: This is one of the first studies to prospectively evaluate the association between both cognitive function and brain structure and the incidence of diabetes.

Original languageEnglish (US)
Pages (from-to)1345-1354
Number of pages10
JournalAlzheimer's and Dementia
Issue number12
StatePublished - Dec 2017

Bibliographical note

Publisher Copyright:
© 2017 the Alzheimer's Association


  • Brain magnetic resonance imaging
  • Cognitive function
  • Epidemiology
  • Incident diabetes
  • Prospective


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