Table 1.
Participant characteristics by race/ethnicity
| Black | White | Chinese | Hispanic | |
|---|---|---|---|---|
| Number of participants | 1759 | 2507 | 788 | 1411 |
| Age, years | 62.1 (+10.1) | 62.6 (+10.3) | 62.4 (+10.3) | 61.3 (+10.4) |
| Female sex | 985 (56.0) | 1313 (52.4) | 408 (51.8) | 739 (52.4) |
| Study site | ||||
| Forsyth County, NC | 449 (25.5) | 518 (20.7) | 0 (0.0) | 3 (0.2) |
| New York and Bronx Counties, NY | 347 (19.7) | 210 (8.4) | 2 (0.3) | 454 (32.2) |
| Baltimore and Baltimore County, MD | 520 (29.6) | 516 (20.6) | 0 (0.0) | 0 (0.0) |
| St Paul, MN | 0 (0.0) | 584 (23.3) | 0 (0.0) | 445 (31.5) |
| Chicago, IL | 291 (16.5) | 552 (22.0) | 299 (37.9) | 0 (0.0) |
| Los Angeles, CA | 152 (8.6) | 127 (5.1) | 487 (61.8) | 509 (36.1) |
| Educational attainment | ||||
| High school completed | 529 (30.6) | 534 (21.5) | 319 (40.7) | 916 (65.4) |
| Some college | 500 (28.9) | 593 (23.8) | 110 (14.0) | 298 (21.3) |
| Completed college | 702 (40.6) | 1362 (54.7) | 355 (45.3) | 186 (13.3) |
| Gross Annual Family Income, $ | ||||
| <25 000 | 501 (31.0) | 392 (16.1) | 388 (49.6) | 677 (49.1) |
| 25 000-49 000 | 522 (32.3) | 648 (26.6) | 170 (21.7) | 453 (33.0) |
| 50 000-99 000 | 463 (28.6) | 797 (32.7) | 146 (18.6) | 219 (15.9) |
| >100 000 | 131 (8.1) | 602 (24.7) | 79 (10.1) | 31 (2.2) |
| Intentional exercise, MET-min/week | 840 (105, 2130) | 1050 (315, 2205) | 735 (0, 1470) | 630 (0, 1620) |
| Self-reported health | ||||
| Poor–Fair | 238 (12.9) | 91 (3.7) | 18 (2.2) | 235 (15.5) |
| Good | 775 (44.4) | 628 (25.2) | 522 (66.8) | 727 (52.0) |
| Very Good | 537 (30.8) | 1099 (44.1) | 211 (27.0) | 314 (22.5) |
| Excellent | 194 (11.1) | 677 (27.1) | 30 (3.8) | 122 (8.7) |
| Nutritional vitamin D, μg/day | 3.4 (2.0, 5.2) | 3.7 (2.3, 5.8) | 2.6 (1.5, 4.1) | 3.8 (2.2, 5.6) |
| BMI, kg/m2 | 30.1 (+5.8) | 27.7 (+5.0) | 24.0 (+3.3) | 29.5 (+5.1) |
| eGFR, mL/min/1.73m2 | 86.3 (+18.6) | 80.8 (+16.2) | 87.6 (+18.0) | 85.8 (+17.9) |
| Diabetes | 307 (17.5) | 145 (5.8) | 103 (13.1) | 246 (17.4) |
Continuous variables are presented as mean (±SD) or median (IQR) and categorical variables as n (%).
Abbreviations: BMI, body mass index; eGFR, estimated glomerular filtration rate; MET, metabolic equivalent of task.