Table 1. Baseline characteristics of the study population regarding coronary heart disease risk factors.
| Men (n = 2889) | Women (n = 3803) | P-valuea | |
| Variables | |||
| Age (years) | 47.5 (12.3) | 46.3 (11.4) | <0.001 |
| Systolic blood pressure, mmHg | 121.6 (19.1) | 121.9 (20.4) | 0.568 |
| Diastolic blood pressure, mmHg | 78.9 (11.2) | 79.5 (10.7) | 0.030 |
| Fasting plasma glucose, mmol/l | 5.57 (1.82) | 5.63 (2.14) | 0.207 |
| 2 hours post load glucose mmol/l b | 5.82 (1.76) | 6.29 (1.57) | <0.001 |
| Total cholesterol, mmol/l | 5.44 (1.11) | 5.74 (1.22) | <0.001 |
| HDL cholesterol, mmol/l | 0.99 (0.24) | 1.16 (0.29) | <0.001 |
| Hypertension medication, n | 128 (4.4%) | 421 (11.1%) | <0.001 |
| Diabetes medication, n | 97 (3.4%) | 210 (5.5%) | <0.001 |
| Anti-lipid medication, n | 63 (2.2%) | 189 (5.0%) | <0.001 |
| Defined risk factors c | |||
| High risk age | 1510 (52.3%) | 980 (25.8%) | <0.001 |
| Family history of cardiovascular diseases | 405 (14.0%) | 698 (18.4%) | <0.001 |
| Smoking | 1303 (45.1%) | 255 (6.7%) | <0.001 |
| Hypertension | 661 (22.9%) | 1049 (27.6%) | <0.001 |
| Diabetes Mellitus | 345 (11.9%) | 534 (14.0%) | 0.012 |
| High total cholesterol | 657 (22.7%) | 1267 (33.3%) | <0.001 |
| Low HDL cholesterol | 1915 (66.3%) | 1423 (37.4%) | <0.001 |
Data are shown as mean (SD) or frequency (%).
a
For difference between men and women based on t-test for continuous and chi-square test for binary variables.
b
In participants without any diagnosed diabetes.
c
Definition of risk factors is according to the Adult Treatment Panel III. All definitions are similar in men and women except high risk age; it is ages 45 or higher in men and ages 55 or higher in women.