Table 1.
Mean (SD) values of risk characteristics at study entry
| Minnesota Code |
At study entry | n | Women (n=6639) (%) | Age (years) | Body mass index (kg/m2) | Systolic blood pressure (mm Hg) | Diastolic blood pressure (mm Hg) | Use of antihypertensive medication (%) | Ex-smoker or current smoker (%) | Alcohol intake (g/day) | Serum total cholesterol (mg/dL) | Diabetes mellitus (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Code4 | No | 9620 | 58.1 | 52.4 (8.7) | 23.3 (3.2) | 133.5 (19.5) | 80.4 (11.6) | 11.8 | 38.9 | 16.2 (23.5) | 189.5 (35.1) | 4.0 |
| Minor | 1086 | 75.8 | 55.2 (8.3) | 23.5 (3.2) | 144.1 (22.5) | 83.7 (12.6) | 23.3 | 25.1 | 11.5 (22.0) | 194.8 (37.4) | 4.8 | |
| Major | 350 | 65.4 | 57.5 (8.0) | 23.9 (3.4) | 155.6 (25.9) | 87.5 (13.9) | 37.1 | 35.4 | 14.7 (22.5) | 196.2 (36.1) | 8.4 | |
| P for difference | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.19 | 0.069 | 0.042 | 0.0062 | ||
| Code5 | No | 9733 | 58.6 | 52.4 (8.7) | 23.2 (3.2) | 133.8 (19.7) | 80.4 (11.6) | 11.8 | 38.5 | 15.9 (23.5) | 189.1 (34.9) | 4.0 |
| Minor | 1014 | 69.3 | 56.0 (8.4) | 24.2 (3.2) | 146.2 (23.0) | 85.4 (12.6) | 27.9 | 29.8 | 15.3 (23.4) | 198.4 (37.3) | 5.6 | |
| Major | 309 | 74.8 | 55.9 (8.8) | 24.3 (3.5) | 145.6 (25.5) | 84.2 (14.4) | 28.3 | 28.0 | 12.0 (20.9) | 200.2 (39.1) | 8.2 | |
| P for difference | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.37 | 0.018 | <0.001 | 0.0021 |
Values are the mean±SD or percentages, adjusted for age and gender.
Minnesota Code: Code4 minor; 4-3 to modified 4-5: Code4 major; 4-1 to 4-2: Code5 minor; 5-3 to modified 5-5: Code5 major; 5-1 to 5-2.