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| Characteristics | Mean/(SD) |
|---|---|
| Age (years) | 72.9 (4.9) |
| Minority (African-American) | 9.3% |
| Gender (% Women) | 53.5% |
| Education, mean years, (SD) | 16.1(2.59) |
| MMSE, mean (SD)* | 29.4(0.9) |
| Clinical Dementia Rating = 0, (%) | 100 |
| APOE4 presence of one allele | 29% |
Abbreviations: APOE4 = apolipoprotein E; MMSE, Mini-Mental State Exam
* MMSE scores range from 0 (worst performance) to 30 (best performance)
