General characteristics of the study population by level of education
| Level of education | ||||
|---|---|---|---|---|
| lowest | low | higher | highest | |
| *Column percentage; †directly standardised for age and gender. | ||||
| Number (%) | 760 (19) | 1554 (38) | 945 (23) | 828 (20) |
| Age (y) (SD) | 57 (12) | 48 (14) | 40 (17) | 43 (15) |
| % Male* | 39 | 39 | 52 | 69 |
| % Deceased*† | 6 | 3 | 4 | 2 |