TABLE 1.
Demographics.
| CN | MCI | AD | |
|---|---|---|---|
| N | 338 | 185 | 7 |
| Age | 71.59 (7.07) | 72.45 (8.01) | 70.71 (8.64) |
| Years of education | 16.78 (2.24) | 15.15 (2.52) | 15.14 (3.24) |
| Percentage female (%) | 60.01 | 40.00 | 28.57 |
| Race | |||
| White | 282 (83.43%) | 164 (88.65%) | 5 (71.43%) |
| Asian | 12 (3.55%) | 3 (1.62%) | |
| African American | 33 (9.76%) | 14 (7.57%) | 2 (28.57%) |
| More than one | 7 (2.07%) | 2 (1.08%) | n/a |
| Other | 4 (1.18%) | 2 (1.08%) | n/a |
| Ethnicity | |||
| Hispanic or Latino | 20 (5.92%) | 12 (6.49%) | n/a |
| Not Hispanic or Latino | 316 (93.49%) | 172 (92.97%) | 7 (100%) |
| Unknown | 2 (0.59%) | n/a | n/a |
Abbreviations: AD, Alzheimer's disease; CN, cognitively normal; MCI, mild cognitive impairment