Table 1.
Sample Characteristics—Clinical and Demographic
| Category | Demented | MCI | Normal | Total |
|---|---|---|---|---|
| Gender—Female | 33 (57.9%) | 82 (49.4%) | 153 (66.2%) | 268 (59.0%) |
| Gender—Male | 24 (42.1%) | 84 (50.6%) | 78 (33.8%) | 186 (41.0%) |
| Age—M (SD) | 77.5 (±7.0) | 75.0 (±7.0) | 73.4 (±6.7) | 74.5 (±7.0) |
| Education—M (SD) | 11.5 (±4.7) | 13.8 (±4.4) | 12.8 (±4.4) | 13.0 (±4.5) |
| Recruitment source—Clinic | 28 (49.1%) | 85 (51.2%) | 32 (13.9%) | 145 (31.9%) |
| Recruitment source—Community | 29 (50.9%) | 81 (48.8%) | 199 (86.1%) | 309 (68.1%) |
| Race/ethnicity—African American | 15 (26.3%) | 37 (22.3%) | 68 (29.4%) | 120 (26.4%) |
| Race/ethnicity—Hispanic | 19 (33.3%) | 17 (10.2%) | 72 (31.2%) | 108 (23.8%) |
| Race/ethnicity—Other | 0 (0.0%) | 7 (4.2%) | 9 (3.9%) | 16 (3.5%) |
| Race/ethnicity—White | 23 (40.4%) | 105 (63.3%) | 82 (35.5%) | 210 (46.3%) |
| APOE e4–0 | 22 (38.6%) | 88 (53.0%) | 161 (69.7%) | 271 (59.7%) |
| APOE e4–1 | 35 (61.4%) | 78 (47.0%) | 70 (30.3%) | 183 (40.3%) |
| Hypertension (baseline)—Absent | 19 (35.2%) | 60 (38.0%) | 68 (30.9%) | 147 (34.0%) |
| Hypertension (baseline)—Present | 35 (64.8%) | 98 (62.0%) | 152 (69.1%) | 285 (66.0%) |
| Hypercholesterolemia (baseline)—Absent | 26 (50.0%) | 75 (46.9%) | 99 (47.1%) | 200 (47.4%) |
| Hypercholesterolemia (baseline)—Present | 26 (50.0%) | 85 (53.1%) | 111 (52.9%) | 222 (52.6%) |
| Diabetes (baseline)—Absent | 44 (81.5%) | 124 (77.0%) | 145 (65.9%) | 313 (72.0%) |
| Diabetes (baseline)—Present | 10 (18.5%) | 37 (23.0%) | 75 (34.1%) | 122 (28.0%) |
Note. N = 460. Diagnosis was missing for 6 individual; hypertension, for 22; hypercholesterolemia, for 32; diabetes, for 19. MCI = mild cognitively impaired; APOE = apolipoprotein E.