Table 1.
Summary Statistics for Risk Factors (at exam 4) Used in Risk Models for Total Population Characteristics
| Summary statistic | |
|---|---|
| Sex, N (%) | |
| - Females | 1937 (51.6) |
| - Males | 1814 (48.4) |
| Age (years), mean (SD) | 51.61 (9.6) |
| Total-C (mg/dL), mean (SD) | 206.30 (39.2) |
| HDL-C (mg/dL), mean (SD) | 49.52 (14.8) |
| Systolic blood pressure (mmHg), mean (SD) | 127.11 (18.9) |
| Diastolic blood pressure (mmHg), mean (SD) | 79.25 (10.0) |
| Triglycerides (meq/liter), mean (SD) | 125.92 (101.3) |
| Alcohol (ounce), mean (SD) | 2.89 (4.4) |
| Total cholesterol (mg/dl), mean (SD) | 206.31(39.2) |
| HDL cholesterol (mg/dl), mean (SD) | 49.52 (14.8) |
| Total/HDL cholesterol ratio, mean (SD) | 4.54 (1.7) |
| Body mass index (kg/m2), mean (SD) | 26.86 (4.8) |
| Never smoking, N (%) | 1002 (26.7) |
| Past smoking, N (%) | 1817 (48.4) |
| Time since quitting ≤ 5 years, N (%) | 565 (15.1) |
| Time since quitting >5 years, N (%) | 1252 (33.4) |
| Age at quitting <37 years, N (%) | 1240 (33.1) |
| Age at quitting > = 37 years, N (%) | 577 (15.4) |
| Current smoking, N (%) | 932 (24.9) |
| Pack years <20, N (%) | 105 (2.8) |
| Pack years 20-39, N (%) | 206 (5.5) |
| Pack years 40+, N (%) | 621 (16.6) |
| Diabetes, N (%) | 163 (4.4) |