Table 1. Baseline Characteristics of Cooper Center Longitudinal Study.
| Cardiorespiratory Fitness Group | ||||
|---|---|---|---|---|
| Low Fit | Moderate Fit | High Fit | ||
| N=2603 | N=5843 | N=5503 | p-value | |
| Age at midlife (years) | 46 (8) | 49 (8) | 51 (8) | <0.001 |
| Median (25, 75 percentile) | 45 (40-51) | 48 (42-55) | 51 (44-57) | |
| Race/ethnicity (n, % Caucasian) | 2556 (98) | 5737 (98) | 5426 (99) | 0.07 |
| Cardiorespiratory Fitness (METs) | 8.4 (1.2) | 10.4 (1.2) | 13.0 (1.8) | <0.001 |
| Body mass index (kg/m2) | 28.6 (4.6) | 26.6 (3.1) | 25.1 (2.6) | <0.001 |
| Total cholesterol (mg/dl) | 221 (41) | 216 (39) | 210 (37) | <0.001 |
| Current smoker, n (%) | 810 (31) | 1117 (19) | 489 (9) | <0.001 |
| Glucose (mg/dl) | 105 (26) | 102 (17) | 100 (13) | <0.001 |
| Systolic blood pressure (mmHg) | 124 (15) | 122 (14) | 122 (14) | <0.001 |
| Diastolic blood pressure (mm Hg) | 83 (10) | 82 (10) | 81 (9) | <0.001 |
| Deaths, n (%) | 527 (20) | 780 (13) | 513 (9) | <0.001 |
| Cancer deaths, n (%) | 125 (5) | 207 (4) | 168 (3) | <0.001 |
| CVD deaths, n (%) | 181 (7) | 229 (4) | 149 (3) | <0.001 |
*
Values are mean (SD) unless otherwise noted.