Table 1.
Baseline and Visit 2 Participant Characteristics
| Baseline (Visit 1) | Visit 2 | |||
|---|---|---|---|---|
| White (N = 1,555) | Black (N = 1,843) | White (N = 1,224) | Black (N = 1,476) | |
| BMI (kg/m2) | 30.5 (6.2) | 31.0 (6.4) | 30.9 (6.2) | 31.6 (6.6) |
| WC (cm) | 100.3 (15.4) | 102.7 (16.0) | 101.0 (15.5) | 103.5 (14.2) |
| Women | 855 (55%) | 1,273 (69%) | 690 (56%) | 1,044 (71%) |
| Age (y) | 55.32 (10.8) | 58.22 (10.2) | 58.93 (10.2) | 63.04 (9.5) |
| Education | ||||
| <12 y | 120 (9%) | 681 (42%) | 67 (6%) | 513 (39%) |
| HS diploma | 654 (50%) | 502 (31%) | 532 (51%) | 412 (32%) |
| Some college | 253 (19%) | 41 (3%) | 202 (19%) | 37 (3%) |
| College + | 285 (22%) | 382 (24%) | 235 (23%) | 337 (26%) |
| Diabetic | 139 (9%) | 364 (20%) | 147 (12%) | 403 (27%) |
| Hypertension | 1,055 (68%) | 1,353 (73%) | 877 (72%) | 1,088 (74%) |
| Alcohol use | 1,125 (72%) | 641 (35%) | 911 (74%) | 510 (35%) |
| Smoker | 774 (50%) | 779 (42%) | 601 (49%) | 591 (40%) |
| WMH (cm3) | NA | 7.75 (6.4) | 10.6 (11.4) | |
| Atrophy (cm3) | 308.39 (73.9) | 309.37 (74.3) | ||
| TBV (cm3) | 1159.5 (123.3) | 1064.2 (114.3) | ||
Note: BMI = body mass index; WC = waist circumference; WMH = white matter hyperintensities; TBV = total brain volume. Cells contain N (%) for categorical and mean (SD) for continuous.