Table 1.
Baseline Characteristics and APOE ε4 Risk Status of the full sample and by Cognitive status at follow-up
| Variable | Non-impaired | Dementia | Total |
|---|---|---|---|
| N=16,863 | N=1,326 | N=18,189 | |
| Age (years) | 63.75 (10.92) | 70.93 (12.17) | 64.27 (11.17) |
| Education (years) | 13.02 (2.95) | 10.66 (3.67) | 12.85 (3.07) |
| Gender (female) | 59% | 60% | 59% |
| Race (African American) | 18% | 30% | 19% |
| Race (other or unknown) | 8% | 10% | 9% |
| Race (white) | 74% | 60% | 72% |
| Ethnicity (Hispanic) | 13% | 20% | 13% |
| APOE ε4 risk statusa | 13% | 35% | 12% |
| Verbal Fluency (words) | 17.52 (7.09) | 12.34 (5.45) | 17.14 (7.11) |
Note. Values are means (standard deviations) or percentiles.
a
N=9,223 for APOE risk status.