Table 1 Characteristics of the study cohort
All educational levels | Years of attained education | ||||||
|---|---|---|---|---|---|---|---|
7–9 | 10–11 | 12 | 13–16 | >16 | p trend | ||
Men | |||||||
Participants, n (%) | 110,528 | 18,348 (17) | 34,889 (32) | 31,351 (28) | 18,593 (17) | 7,347 (7) | |
Age at examination, mean ± SD (years) | 41.5 ± 1.1 | 41.5 ± 1.2 | 41.5 ± 1.1 | 41.4 ± 1.1 | 41.5 ± 1.1 | 41.6 ± 1.2 | |
Year of birth, mean | 1951 | 1950 | 1951 | 1952 | 1952 | 1951 | |
Systolic blood pressure, mean ± SD (mmHg) | 134 ± 13 | 135 ± 14 | 134 ± 14 | 133 ± 13 | 132 ± 13 | 132 ± 13 | <0.001 |
Diastolic blood pressure, mean ± SD (mmHg) | 80 ± 10 | 81 ± 10 | 80 ± 10 | 79 ± 10 | 79 ± 10 | 79 ± 9 | <0.001 |
Heart rate, mean ± SD (beats/min) | 72 ± 13 | 75 ± 13 | 73 ± 13 | 72 ± 12 | 70 ± 12 | 69 ± 12 | <0.001 |
Total cholesterol, mean ± SD (mmol/l) | 5.8 ± 1.1 | 6.0 ± 1.2 | 5.9 ± 1.1 | 5.8 ± 1.1 | 5.7 ± 1.0 | 5.6 ± 1.0 | <0.001 |
BMI, mean ± SD (kg/m2) | 25.7 ± 3.2 | 26.0 ± 3.5 | 25.8 ± 3.3 | 25.8 ± 3.1 | 25.3 ± 2.9 | 24.9 ± 2.8 | <0.001 |
Height, mean ± SD (cm) | 179 ± 6 | 178 ± 6 | 179 ± 6 | 179 ± 6 | 180 ± 6 | 181 ± 6 | <0.001 |
Daily smokers, n (%) | 44,063 (40) | 9,998 (55) | 15,637 (45) | 12,412 (40) | 4,877 (26) | 1,139 (16) | <0.001 |
SCORE 10 year CVD mortality risk score, mean ± SD (percentage points) | 1.1 ± 0.7 | 1.3 ± 0.8 | 1.2 ± 0.7 | 1.1 ± 0.6 | 0.9 ± 0.6 | 0.9 ± 0.5 | <0.001 |
Antihypertensive treatment, n (%) | 2,499 (2.3) | 566 (3.1) | 866 (2.5) | 657 (2.1) | 323 (1.7) | 87 (1.1) | <0.001 |
Myocardial infarction, stroke and/or diabetes, n (%) | 1,572 (1.4) | 401 (2.2) | 506 (1.5) | 411 (1.3) | 216 (1.2) | 38 (0.5) | <0.001 |
Women | |||||||
Participants, n (%) | 117,818 (100) | 21,292 (18) | 52,487 (45) | 17,161 (15) | 24,793 (21) | 2,085 (2) | |
Age at examination, mean ± SD (years) | 41.5 ± 1.1 | 41.5 ± 1.1 | 41.5 ± 1.1 | 41.4 ± 1.1 | 41.5 ± 1.2 | 41.6 ± 1.2 | |
Year of birth, mean | 1952 | 1950 | 1951 | 1952 | 1952 | 1952 | |
Systolic blood pressure, mean ± SD (mmHg) | 124 ± 14 | 127 ± 15 | 125 ± 14 | 123 ± 14 | 122 ± 13 | 121 ± 13 | <0.001 |
Diastolic blood pressure, mean ± SD (mmHg) | 75 ± 10 | 77 ± 10 | 75 ± 10 | 74 ± 10 | 73 ± 10 | 73 ± 9 | <0.001 |
Heart rate, mean ± SD (beats/min) | 77 ± 12 | 80 ± 13 | 77 ± 12 | 76 ± 12 | 75 ± 12 | 74 ± 12 | <0.001 |
Total cholesterol, mean ± SD (mmol/l) | 5.5 ± 1.0 | 5.7 ± 1.1 | 5.5 ± 1.0 | 5.4 ± 1.0 | 5.3 ± 0.9 | 5.2 ± 0.9 | <0.001 |
BMI, mean ± SD (kg/m2) | 24.3 ± 3.9 | 24.7 ± 4.2 | 24.5 ± 3.9 | 24.4 ± 3.8 | 23.9 ± 3.4 | 23.3 ± 3.1 | <0.001 |
Height, mean ± SD (cm) | 166 ± 6 | 165 ± 6 | 166 ± 6 | 166 ± 6 | 167 ± 6 | 168 ± 6 | <0.001 |
Daily smokers, n (%) | 47,255 (40) | 12,289 (58) | 22,822 (44) | 6,427 (37) | 5,408 (22) | 309 (15) | <0.001 |
SCORE 10 year CVD mortality risk score, mean ± SD (percentage points) | 0.16 ± 0.11 | 0.20 ± 0.14 | 0.16 ± 0.10 | 0.15 ± 0.09 | 0.13 ± 0.08 | 0.12 ± 0.07 | <0.001 |
Antihypertensive treatment, n (%) | 2,168 (1.8) | 563 (2.7) | 1,028 (2.0) | 287 (1.7) | 275 (1.1) | 15 (0.7) | <0.001 |
Myocardial infarction, stroke, and/or diabetes, n (%) | 1,044 (0.9) | 226 (1.1) | 484 (0.9) | 150 (0.9) | 174 (0.7) | 10 (0.5) | <0.001 |