Table 1. Participant Demographic Characteristics.
| Variable | Race and ethnicity, No. (%) | ||||
|---|---|---|---|---|---|
| Total | Asian | Black | Hispanic | White | |
| No. | 17 107 | 321 | 635 | 829 | 15 322 |
| Age, median (range), y | 75 (65-105) | 76 (65-93) | 75 (65-95) | 76 (65-96) | 75 (65-105) |
| Sex | |||||
| Female | 8769 (51.3) | 171 (53.3) | 399 (62.8) | 515 (62.1) | 7684 (50.2) |
| Male | 8338 (48.7) | 150 (46.7) | 236 (37.2) | 314 (37.9) | 7638 (49.8) |
| Education | |||||
| <High school | 1160 (6.8) | 41 (12.8) | 110 (17.3) | 316 (38.1) | 693 (4.5) |
| High school (including equivalency) | 4527 (26.5) | 62 (19.3) | 217 (34.2) | 205 (24.7) | 4043 (26.4) |
| Some college or associate’s degree | 4001 (23.4) | 40 (12.5) | 131 (20.6) | 150 (18.1) | 3680 (24.0) |
| Bachelor’s degree | 3994 (23.3) | 99 (30.8) | 89 (14.0) | 74 (8.9) | 3732 (24.4) |
| Master’s degree | 2032 (11.9) | 31 (9.7) | 58 (9.1) | 44 (5.3) | 1899 (12.4) |
| Doctorate | 1393 (8.1) | 48 (15.0) | 30 (4.7) | 40 (4.8) | 1275 (8.3) |
| Living arrangement | |||||
| Patient lives alone | 3057 (17.9) | 36 (11.2) | 160 (25.2) | 130 (15.7) | 2731 (17.8) |
| Patient lives with ≥ 1other person | 14 050 (82.1) | 285 (88.8) | 475 (74.8) | 699 (84.3) | 12 591 (82.2) |
| History of hypertension | |||||
| No | 8386 (49.0) | 171 (53.3) | 203 (32.0) | 380 (45.8) | 7632 (49.8) |
| Yes | 8721 (51.0) | 150 (46.7) | 432 (68.0) | 449 (54.2) | 7690 (50.2) |
| History of diabetes | |||||
| No | 14 352 (83.9) | 241 (75.1) | 458 (72.1) | 608 (73.3) | 13 045 (85.1) |
| Yes | 2755 (16.1) | 80 (24.9) | 177 (27.9) | 221 (26.7) | 2277 (14.9) |
| Family history of dementia | |||||
| No | 12 907 (75.4) | 279 (86.9) | 531 (83.6) | 682 (82.3) | 11 415 (74.5) |
| Yes | 4200 (24.6) | 42 (13.1) | 104 (16.4) | 147 (17.7) | 3907 (25.5) |
| Impairment level | |||||
| MCI | 10 400 (60.8) | 169 (52.6) | 305 (48.0) | 370 (44.6) | 9556 (62.4) |
| Dementia | 6707 (39.2) | 152 (47.4) | 330 (52.0) | 459 (55.4) | 5766 (37.6) |
Abbreviation: MCI, mild cognitive impairment.