Table 1.
Characteristics of the study subjects
| Variable | Value |
| Age (year), mean (SD) | 50.5 (3.7) |
| Body mass index (kg/m2), mean (SD) | 24.0 (2.7) |
| Waist circumference (cm), mean (SD) | 83.7 (7.2) |
| Current smoking (%) | 48.2 |
| Alcohol use (%) | 66.1 |
| Physical activity (MET-hours/week)*, median (IQR) | 16 (5–27) |
| Serum total cholesterol (mg/dL), mean (SD) | 206.7 (34.5) |
| Serum HDL cholesterol (mg/dL), mean (SD) | 57.2 (16.4) |
| Serum triglycerides (mg/dL), median (IQR) | 127 (91–178) |
| Fasting plasma glucose (mmol/L), median (IQR) | 5.6 (5.2–6.0) |
| Fasting plasma insulin (pmol/L), median (IQR) | 34 (22–50) |
| HOMA-IR, median (IQR) | 1.18 (0.77–1.80) |
| History of myocardial infarction (%) | 0.5 |
| History of stroke (%) | 0.9 |
| Use of lipid-lowering drug (%) | 3.1 |
| Use of antihypertensive drug (%) | 9.9 |
| Oral medication for diabetes mellitus (%) | 1.3 |
* Leisure-time physical activity.
IQR, interquartile range; HOMA-IR, homeostasis model assessment of insulin resistance; MET, metabolic equivalent.