Table. Baseline Characteristics of the Analytic Cohort by Race in the Coronary Artery Risk Development in Young Adults (CARDIA) Study.
| Characteristic | Mean (SD) | ||
|---|---|---|---|
| White Individuals (n = 1608) | Black Individuals (n = 909) | Overall (N = 2517) | |
| Age, y | |||
| Year 0 | 25.6 (3.3) | 24.4 (3.8) | 25.1 (3.6) |
| Year 25 | 50.8 (3.3) | 49.4 (3.9) | 50.3 (3.6) |
| Sex, No. (%) | |||
| Male | 760 (47.3) | 361 (39.7) | 1121 (44.5) |
| Female | 848 (52.7) | 548 (60.3) | 1396 (55.5) |
| BMI | |||
| Year 0 | 23.6 (3.8) | 25.3 (5.4) | 24.2 (4.5) |
| Year 2 | 24.2 (4.1) | 26.3 (5.8) | 24.9 (4.9) |
| Year 5 | 24.8 (4.4) | 27.3 (6.3) | 25.6 (5.3) |
| Year 7 | 25.3 (4.9) | 28.1 (6.5) | 26.3 (5.7) |
| Year 10 | 25.8 (5.2) | 29.0 (6.7) | 26.9 (5.9) |
| Year 15 | 27.0 (5.7) | 30.4 (7.1) | 28.2 (6.4) |
| Year 20 | 27.8 (5.8) | 31.4 (7.4) | 29.0 (6.6) |
| Year 25 | 28.2 (6.1) | 32.2 (7.7) | 29.6 (6.9) |
| Fitness and activitya | |||
| Exercise treadmill time, s | 645 (155) | 532 (168) | 604 (169) |
| Moderate to vigorous PA, exercise units | 460 (285) | 375 (304) | 429 (295) |
| Self-reported parental history of overweight, No. (%) | 747 (46.5) | 407 (44.8) | 1154 (45.8) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); PA, physical activity.
a
Exercise treadmill time and moderate to vigorous PA were measured at study entry (year 0).