TABLE 1.
Sample characteristics
| Asian | Black | Latino | White | Total | |
|---|---|---|---|---|---|
| Full Sample ‐ mean (SD) | 415 (100.0%) | 443 (100.0%) | 348 (100.0%) | 503 (100.0%) | 1,709 (100.0%) |
| Random/Screening ‐ Random Selection | 125 (30.1%) | 129 (29.1%) | 160 (46.0%) | 127 (25.2%) | 541 (31.7%) |
| Random/Screening ‐ Screen Selection | 290 (69.9%) | 314 (70.9%) | 188 (54.0%) | 376 (74.8%) | 1168 (68.3%) |
| Gender ‐ female | 221 (53.3%) | 299 (67.5%) | 205 (58.9%) | 291 (57.9%) | 1016 (59.4%) |
| Age (years) ‐ mean (SD) | 75.2 (±7.0) | 75.1 (±7.1) | 75.7 (±6.7) | 76.6 (±7.5) | 75.7 (±7.1) |
| Education (years) ‐ mean (SD) | 15.6 (±2.6) | 14.2 (±2.8) | 13.1 (±4.1) | 15.2 (±2.9) | 14.6 (±3.2) |
| Episodic Memory (SENAS) ‐ mean (SD) | 0.2 (±1.0) | ‐0.1 (±0.9) | ‐0.2 (±1.0) | 0.1 (±1.0) | 0.0 (±1.0) |
| Semantic Memory (SENAS) ‐ mean (SD) | ‐0.2 (±1.0) | ‐0.5 (±0.8) | 0.0 (±0.9) | 0.6 (±0.9) | 0.0 (±1.0) |
| Executive Function (SENAS) ‐ mean (SD) | ‐0.2 (±0.9) | ‐0.3 (±0.9) | ‐0.2 (±0.9) | 0.5 (±1.1) | 0.0 (±1.0) |
| Flanker (NIHTB) ‐ mean (SD) | 0.2 (±1.0) | ‐0.4 (±1.0) | 0.0 (±1.0) | 0.2 (±0.9) | 0.0 (±1.0) |
| Picture Sequence Memory (NIHTB) ‐ mean (SD) | 0.0 (±1.0) | ‐0.3 (±0.9) | 0.1 (±0.9) | 0.1 (±1.0) | 0.0 (±1.0) |
| List Sorting (NIHTB) ‐ mean (SD) | 0.0 (±0.9) | ‐0.3 (±1.0) | 0.0 (±0.9) | 0.2 (±1.0) | 0.0 (±1.0) |
| Picture Vocabulary (NIHTB) ‐ mean (SD) | ‐0.1 (±1.0) | ‐0.4 (±0.9) | ‐0.2 (±0.9) | 0.6 (±0.9) | 0.0 (±1.0) |
| Random Selection ‐ Clinical Exam | 102 (81.6%) | 90 (69.8%) | 116 (72.5%) | 106 (83.5%) | 414 (76.5%) |
| Diabetes* ‐ Yes | 19 (18.6%) | 30 (33.3%) | 23 (19.8%) | 13 (12.3%) | 85 (20.5%) |
| Hypertension* ‐ Yes | 53 (52.0%) | 62 (68.9%) | 64 (55.2%) | 52 (49.1%) | 231 (55.8%) |
| Hypercholesteremia* ‐ Yes | 59 (57.8%) | 52 (57.8%) | 49 (42.2%) | 58 (54.7%) | 218 (52.7%) |
| Depression (last 2 years)* ‐ Yes | 1 (1.0%) | 4 (4.4%) | 6 (5.2%) | 6 (5.7%) | 17 (4.1%) |
| Anxiety* ‐ Yes | 2 (2.0%) | 2 (2.2%) | 8 (6.9%) | 3 (2.8%) | 15 (3.6%) |
| MoCA Total Score* ‐ mean (SD) | 23.1 (±4.4) | 21.6 (±4.4) | 22.5 (±3.8) | 25.0 (±3.7) | 23.1 (±4.3) |
| CDR Sum of Boxes* ‐ mean (SD) | 0.2 (±0.7) | 0.5 (±0.9) | 0.2 (±0.7) | 0.2 (±0.6) | 0.3 (±0.7) |
Asians included 222 Chinese, 81 Japanese, 67 Filipino,26 Southeast Asian, and 3 Pacific Islander; Latino included 169 Mexican, 66 Central/South American, 22 Caribbean, and 76 Other Latino. * = From Random Selection participants with completed clinical evaluations (N = 414).]