Table 1.
Demographic features of the training and test set populations
| Training set (n = 5,251) | Test set (n = 2,251) | p-value | |
|---|---|---|---|
| Age (yr) | 49.3 ± 10.5 | 52.1 ± 9.9 | <0.001 |
| Male sex | 2,078 (39.6) | 1,676 (74.5) | <0.001 |
| Body mass index | 20.9 ± 1.7 | 24.0 ± 0.5 | <0.001 |
| Waist circumference (cm) | 76.7 ± 6.1 | 85.6 ± 4.1 | <0.001 |
| Triglycerides (mg/dL) | 85.3 ± 49.4 | 118.7 ± 70.8 | <0.001 |
| HDL cholesterol (mg/dL) | 57.5 ± 12.5 | 51.1 ± 10.6 | <0.001 |
| Fasting glucose level (mg/dL) | 94.5 ± 14.3 | 100.4 ± 16.0 | <0.001 |
| Systolic blood pressure (mm Hg) | 111.6 ± 12.7 | 117.6 ± 12.5 | <0.001 |
| Diastolic blood pressure (mm Hg) | 72.8 ± 9.7 | 78.0 ± 9.4 | <0.001 |
| Smoking status (current smoker) | 1,581 (30.1) | 1,202 (53.4) | <0.001 |
| Alcohol consumption ≥ 140 g/wk | 708 (13.5) | 613 (27.2) | <0.001 |
| Exercise (physically active) | 263 (5.0) | 144 (6.4) | 0.017 |
| Metabolic syndrome present | 223 (4.2) | 424 (18.8) | <0.001 |
Values are presented as mean ± standard deviation or number (%).
HDL, high-density lipopolysaccharide.