Multivariate analysis by logistic regression
| OR | 95%CI | p Value | CR (%) | |
| Age | 2.82 | 1.23–3.06 | <0.01 | 31.0 |
| Alcohol consumption | 2.27 | 1.53–2.69 | <0.01 | 11.3 |
| Cigarette smoking | 1.11 | 1.01–1.23 | 0.29 | 0 |
| Hypertension | 1.05 | 0.96–1.16 | 0.59 | 0 |
| Diabetes mellitus | 1.68 | 1.35–2.10 | 0.02 | 4.6 |
| Hypercholesterolaemia | 1.47 | 1.23–1.76 | 0.03 | 4.0 |
CR=Contibutary rate.