Regional variation in incidence rate of myocardial infarction (MI), adjusted for age and smoking
| Region | Number of interviewed cases of MI (live and deceased) | Unadjusted rate1-150 | Unadjusted rate ratio (95% CI) | Rate1-150 standardised for age and smoking† | Adjusted rate ratio (95% CI) |
| South England | 116 | 1.27 | 1 | 1.32 | 1 |
| Midlands and Wales | 94 | 2.18 | 1.7 (1.3, 2.3) | 2.37 | 1.8 (1.5, 2.1) |
| North England | 131 | 2.53 | 2.0 (1.6, 2.6) | 2.33 | 1.8 (1.5, 2.1) |
| Scotland | 107 | 5.70 | 4.5 (3.4, 5.8) | 4.83 | 3.7 (3.2, 4.2) |
↵1-150 Per 100 000 woman years. †Direct standardisation using England and Wales female population aged 20–44.