Basic characteristics of study participants (N=1023)
| Variables | |
| Sex, n (%) | |
| Female | 433 (42.3) |
| Male | 590 (57.7) |
| Age, years | |
| Mean±SD | 69.1±8.7 |
| Range | 54–90 |
| Body mass index, kg/m2 | |
| Mean±SD | 24.4±3.6 |
| Range | 16.1–42.2 |
| Smoking, n (%) | |
| No | 782 (76.4) |
| Yes | 241 (23.6) |
| Drinking, n (%) | |
| No | 788 (77.0) |
| Yes | 235 (23.0) |
| Hypertension, n (%) | |
| No | 676 (66.1) |
| Yes | 347 (33.9) |
| Hyperlipidaemia, n (%) | |
| No | 957 (93.5) |
| Yes | 66 (6.5) |
| Diabetes mellitus, n (%) | |
| No | 865 (84.6) |
| Yes | 158 (15.4) |