Table 1.
Sample characteristics.
| Variables | Reference Group* |
Full Sample by Age Group |
|
|---|---|---|---|
| <50 years (N=1547) | <50 years (N=3317) | ≥50 years (N=3100) | |
| Age, yr | 37±7 | 38±7 | 64±9 |
| Women, N (%) | 1020 (66) | 1746 (53) | 1686 (54) |
| Height, cm | 170±9 | 171±9 | 167±10 |
| Weight, kg | 69±12 | 77±18 | 79±17 |
| Body mass index, kg/m2 | 23.8±3.0 | 26.3±4.9 | 27.9±5.1 |
| Seated blood pressure, mm Hg | |||
| Systolic | 110±10 | 115±13 | 128±17 |
| Diastolic | 71±8 | 75±10 | 74±10 |
| Heart rate, beats/min | 60±9 | 62±10 | 62±10 |
| Total cholesterol, mg/dL | 177±27 | 187±35 | 189±38 |
| HDL cholesterol, mg/dL | 60±14 | 54±16 | 58±18 |
| Total / HDL cholesterol ratio | 3.1±0.8 | 3.7±1.4 | 3.5±1.1 |
| Triglycerides, mg/dL† | 70 (55, 93) | 89 (63, 133) | 101 (73, 141) |
| Glucose, mg/dL | 90±7 | 94±17 | 105±23 |
| Hypertension treatment, N (%) | 0 (0) | 189 (6) | 1356 (44) |
| Lipid treatment, N (%) | 0 (0) | 170 (5) | 1185 (38) |
| Cardiovascular disease, N (%) | 0 (0) | 12 (<1) | 393 (13) |
| Diabetes, N (%) | 0 (0) | 66 (2) | 469 (15) |
| Smoker, N (%) | 0 (0) | 583 (18) | 308 (10) |
*
The reference group further excluded participants with hypertension, diabetes, dyslipidemia, cardiovascular disease, current smoking or obesity as detailed in Methods.
†
Median (25th, 75th percentile)