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Participant Baseline Demographics (n = 1030)
| Baseline age, years (mean±SD) | 72.8±7.9 |
| Years of education (mean±SD) | 15.9±2.6 |
| Sex (M:F) | 371:659 |
| Family history of dementia | 352 (34.2%) |
| APOE E4 (positive/negative/not done) | 276/626/128 |
| Normal dx at baseline | 985 (95.6%) |
| Deceased | 363 (35.3%) |
| Currently active | 552 (53.6%) |
