Demographic characteristics of study participants
| Data are mean (SD) or number (%). | |
| Number seen | 734 |
| Age (years) | 60 (10) (range 45–89) |
| Ethnicity | |
| White | 518 (71%) |
| South Asian | 188 (26%) |
| Other | 28 (4%) |
| Men | 349 (48%) |
| Hypertension | 193 (26%) |
| Ischaemic heart disease | 82 (11%) |
| Diabetes mellitus | 45 (6%) |
| Cerebrovascular disease | 24 (3%) |
| Peripheral vascular disease | 9 (1%) |
| History of heavy alcohol intake (⩾40 U/week) | 41 (6%) |
| Free of risk factors | 444 (60%) |