Baseline characteristics of study participants in the test dataset
| Baseline characteristics | Total |
| Number | 35 913 |
| Age (years) (mean±SD) | 56.8±8.04 |
| Female, N (%) | 19 999 (55.7) |
| White ethnicity, N (%) | 33 475 (93.2) |
| Townsend index (mean±SD) | −1.09±2.96 |
| College or university degree, N (%) | 12 460 (34.7) |
| Current/previous smoker, N (%) | 15 943 (44.6) |
| Above physical activity recommendation, N (%) | 24 082 (82.0) |
| Excellent/good health status, N (%) | 24 821 (69.5) |
| Obesity, N (%) | 9135 (25.6) |
| Diabetes mellitus, N (%) | 2351 (6.55) |
| Hypertension, N (%) | 27 181 (75.7) |
| History of heart diseases, N (%) | 1534 (4.27) |
| History of stroke, N (%) | 543 (1.51) |
SD, Standard Deviation.