Variable | Â | Adjusted HR | (95% CI) | p value |
---|---|---|---|---|
Tooth number | (< 20 teeth vs ≥ 20 teeth) | 1.604 | 1.007–2.555 | 0.047* |
Age (years) | (per 1 year increase) | 1.091 | 1.059–1.123 |  < 0.001* |
Sex | (female vs male) | 0.434 | 0.261–0.719 | 0.001* |
BMI (kg/m−2) | (per 1 kg/m2 increase) | 0.955 | 0.898–1.017 | 0.150 |
Smoking habit | (Yes vs no) | 1.916 | 1.128–3.257 | 0.016* |
Alcohol consumption (g/day) | (per 1 g/day increase) | 0.998 | 0.989–1.007 | 0.640 |
Educational status | (High vs low) | 0.938 | 0.557–1.527 | 0.798 |
 | (Middle vs low) | 0.701 | 0.365–1.345 | 0.285 |
Hypertension | (Yes vs no) | 1.199 | 0.770–1.865 | 0.422 |
Diabetes mellitus | (Yes vs no) | 1.779 | 0.960–3.296 | 0.067 |
Perceived mental stress | (Not very often vs never) | 0.467 | 0.224–0.972 | 0.042* |
 | (Sometimes vs never) | 0.495 | 0.247–0.992 | 0.047* |
 | (Most of the time vs never) | 0.648 | 0.255–1.643 | 0.360 |