The results of multiple logistic regression analysis of the relationship between death as a dependent variable and several independent variables (age, gender, dental visits, dental plaque, calculus, education, income, socioeconomic status, pack-years of smoking)
| Dependent variable | Explaining variable | β | χ2 | p Value | OR (95% CI) |
| Death | Age | 0.68 | 5.27 | 0.022 | 1.98 (1.11 to 3.54) |
| Gender (male) | 0.65 | 4.50 | 0.034 | 1.91 (1.05 to 3.46) | |
| Dental plaque | 0.58 | 3.90 | 0.048 | 1.79 (1.01 to 3.19) |
Cox & Snell R2 =0.017; Nagelkerke R2=0.060.