Table 1.
Baseline Sample Characteristics for White and Black men and women study participants.
| Variables | White | Black | |||||
|---|---|---|---|---|---|---|---|
| Men (N=2,115) | Women (N=2,810) | p-value | Men (N=698) | Women (N=1,098) | p-value | ||
| Range | mean (SD) | mean (SD) | mean (SD) | mean (SD) | |||
| Baseline age (years) | 53–73 | 57.5 (4.3) | 57.6 (4.6) | 0.4534 | 57.2 (4.2) | 57.1 (4.1) | 0.5883 |
| BMI (kg/m2) | 15–70 | 29.8 (5.1) | 29.9 (7.0) | 0.4902 | 29.1 (5.7) | 33.2 (7.4) | <.0001 |
| PGS rank percentile | 0–1 | 0.5 (0.3) | 0.5 (0.3) | 0.9399 | 0.5 (0.3) | 0.5 (0.3) | 0.6213 |
| CESD | 0–8 | 1.1 (1.8) | 1.4 (2.0) | <.0001 | 1.8 (2.0) | 2.1 (2.3) | 0.0077 |
| Levels | N (%) | N (%) | N (%) | N (%) | |||
| BMI Categories | Normal | 338 (16.0%) | 753 (26.8%) | <.0001 | 166 (23.8%) | 137 (12.5%) | <.0001 |
| Overweight | 879 (41.6%) | 848 (30.2%) | 246 (35.2%) | 250 (22.8%) | |||
| Obese | 898 (42.5%) | 1,209 (43.0%) | 286 (41.0%) | 711 (64.8%) | |||
| Cohort | War babies | 627 (29.6%) | 955 (34.0%) | 0.0024 | 112 (16.0%) | 194 (17.7%) | 0.55 |
| Early Baby boomers | 776 (36.7%) | 926 (33.0%) | 267 (38.3%) | 427 (38.9%) | |||
| Mid Baby Boomers | 712 (33.7%) | 929 (33.1%) | 319 (45.7%) | 477 (43.4%) | |||
| Education | < High school | 128 (6.1%) | 194 (6.9%) | <.0001 | 141 (20.2%) | 214 (19.5%) | 0.3915 |
| High school/GED | 620 (29.3%) | 986 (35.1%) | 252 (36.1%) | 360 (32.8%) | |||
| College 1–3 years | 619 (29.3%) | 826 (29.4%) | 203 (29.1%) | 351 (32.0%) | |||
| College 4+ years | 748 (35.4%) | 804 (28.6%) | 102 (14.6%) | 173 (15.8%) | |||
| Poverty Ratio | Under poverty | 95 (4.5%) | 139 (4.9%) | 0.0012 | 131 (18.8%) | 261 (23.8%) | 0.0107 |
| 1 to 2.9 | 393 (18.6%) | 637 (22.7%) | 246 (35.2%) | 401 (36.5%) | |||
| 3 or higher | 1,627 (76.9%) | 2,034 (72.4%) | 321 (46.0%) | 436 (39.7%) | |||
| Childhood SES | Poor | 417 (19.7%) | 594 (21.1%) | 0.4506 | 277 (39.7%) | 397 (36.2%) | 0.1994 |
| Average | 1,501 (71.0%) | 1,966 (70.0%) | 373 (53.4%) | 634 (57.7%) | |||
| Well off | 197 (9.3%) | 250 (8.9%) | 48 (6.9%) | 67 (6.1%) | |||
| Smoking Status | Non-smoker | 810 (38.3%) | 1,343 (47.8%) | <.0001 | 209 (29.9%) | 481 (43.8%) | <.0001 |
| Current smoker | 444 (21.0%) | 526 (18.7%) | 251 (36.0%) | 285 (26.0%) | |||
| Past smoker | 861 (40.7%) | 941 (33.5%) | 238 (34.1%) | 332 (30.2%) | |||
| Alcohol intake | Never | 582 (27.5%) | 1,057 (37.6%) | <.0001 | 257 (36.8%) | 550 (50.1%) | <.0001 |
| 1/day | 1,025 (48.5%) | 1,508 (53.7%) | 322 (46.1%) | 484 (44.1%) | |||
| 2/day | 278 (13.1%) | 177 (6.3%) | 71 (10.2%) | 48 (4.4%) | |||
| 3 or more/day | 230 (10.9%) | 68 (2.4%) | 48 (6.9%) | 16 (1.5%) | |||
| Physical Activity* | Some or Never | 411 (19.4%) | 394 (14.0%) | <.0001 | 221 (31.7%) | 305 (27.8%) | <.0001 |
| Light | 257 (12.2%) | 623 (22.2%) | 73 (10.5%) | 285 (26.0%) | |||
| Moderate | 690 (32.6%) | 1,048 (37.3%) | 188 (26.9%) | 329 (30.0%) | |||
| Vigorous | 757 (35.8%) | 745 (26.5%) | 216 (30.9%) | 179 (16.3%) | |||
*
Physical Activity: twice or more light, moderate and vigorous physical activity per week; Some: once per week or per month any type of physical activities.
Acronyms: BMI: Body Mass Index; PGS: Polygenic Risk Score; GED: General Educational Development/Certificate of High School Equivalency; CESD: Center for Epidemiologic Studies Depression Scale, 8-item; SES: Socioeconomic Status; SD: Standard Deviation.