Table 2.
Comparison of all screenees (n = 23770) with randomised subjects (n = 5804) on the basis of data recorded at the initial screening visit (S1). Data are presented for Scotland, Ireland and for The Netherlands, and for men and women. Data are presented as mean (SD) for continuous variables and as % of column total for categorical variables.
| Scotland | Ireland | Netherlands | ||||||||||
| Men | Women | Men | Women | Men | Women | |||||||
| All Screenees | Randomised Subjects | All Screenees | Randomised Subjects | All Screenees | Randomised Subjects | All Screenees | Randomised Subjects | All Screenees | Randomised Subjects | All Screenees | Randomised Subjects | |
| Number of subjects | 5117 | 1237 | 6653 | 1283 | 4528 | 988 | 5629 | 1196 | 972 | 581 | 871 | 519 |
| Continuous variables | ||||||||||||
| Age (years) | 74.9 (3.4) | 74.7 (3.2) | 75.4 (3.5) | 75.4 (3.5) | 75.3 (3.4) | 74.9 (3.3) | 75.7 (3.4) | 75.4 (3.3) | 74.7 (3.3) | 74.5 (3.3) | 75.3 (3.3) | 75.3 (3.3) |
| SBP(mmHg) | 156 (24) | 158 (23) | 154 (23) | 155 (23) | 158 (24) | 160 (24) | 155 (24) | 158 (23) | 160 (23) | 162 (23) | 159 (23) | 160 (23) |
| DBP(mmHg) | 85 (12) | 84 (12) | 84 (12) | 84 (12) | 85 (12) | 85 (13) | 84 (12) | 85 (11) | 87 (12) | 88 (11) | 87 (11) | 87 (11) |
| Heart Rate (b.p.m.) | 72 (13) | 70 (13) | 75 (12) | 73 (13) | 73 (13) | 71 (13) | 76 (12) | 74 (12) | 73 (13) | 72 (12) | 76 (12) | 75 (12) |
| BMI (kg/m2) | 26.2 (3.7) | 26.4 (3.7) | 26.2 (4.6) | 27.0 (4.7) | 26.6 (4.0) | 26.8 (3.8) | 26.2 (4.7) | 27.0 (4.8) | 25.8 (3.1) | 26.0 (3.1) | 26.7 (4.1) | 27.2 (4.2) |
| Categorical variables | ||||||||||||
| Smoker: | ||||||||||||
| Current | 21.3 | 32.5 | 16.2 | 24.4 | 22.4 | 34.5 | 14.5 | 20.4 | 27.1 | 31.7 | 14.5 | 16.0 |
| Former | 54.9 | 48.4 | 32.6 | 32.3 | 52.7 | 45.5 | 27.6 | 24.8 | 65.4 | 61.3 | 30.0 | 27.2 |
| Never | 23.8 | 19.1 | 51.2 | 43.3 | 24.8 | 20.0 | 57.9 | 54.8 | 7.5 | 7.0 | 55.6 | 56.8 |
| Diabetic | 7.2 | 9.5 | 4.6 | 5.7 | 8.0 | 12.3 | 5.6 | 8.2 | 13.5 | 13.4 | 14.9 | 15.6 |
| Hypertensive | 28 | 47 | 35 | 64 | 32 | 49 | 44 | 74 | 44 | 51 | 61 | 74 |
| Vascular disease | 38 | 56 | 28 | 42 | 32 | 47 | 23 | 31 | 48 | 53 | 30 | 34 |