| Â | Hazard Ratio[95% Confidence Interval] |
|---|
Unadjusted model | Basic model a | Fully adjusted model b |
|---|
Number of natural teeth |
 No. of participants | 36,153 | 36,100 | 20,816 |
 No. of deaths | 25,737 | 25,713 | 12,757 |
20+ | 1.00 | 1.00 | 1.00 |
10–19 | 1.59[1.51, 1.69] | 1.13[1.07, 1.20] | 1.14[1.06, 1.23] |
1–9 | 2.60[2.48, 2.72] | 1.29[1.23, 1.36] | 1.23[1.15, 1.31] |
0 | 3.18[3.03, 3.33] | 1.46[1.38, 1.53] | 1.35[1.26, 1.44] |
 P-trend | < 0.001 | < 0.001 | < 0.001 |
Denture use |
 No. of participants | 36,230 | 36,100 | 20,816 |
 No. of deaths | 25,824 | 25,713 | 12,757 |
No | 1.00 | 1.00 | 1.00 |
Yes | 0.66[0.64, 0.68] | 0.76[0.74, 0.79] | 0.81[0.77, 0.84] |
- HR Hazard ratio, CI Confidence interval;
- aBasic model: adjusted for age (years), sex (men or women), and residence (urban or rural), teeth number (0, 1–9, 10–19, ≥20, for analysis of denture use), denture use (yes or no, for analysis of teeth number);
- bFully adjusted model: additionally adjusted for education (yes or no), sufficient income for daily needs (yes or no), living arrangement (living alone or with others), BMI (< 18.5, > = 18.5 and < 24, or > =24), smoking (current smoker, former smoker, or never smoker), alcohol drinking (current drinker, former drinker, or non- drinker), frequent vegetable consumption (yes or no), frequent fruit consumption (yes or no), impaired activity of daily living (yes or no), cognitive impairment(yes or not), hypertension (yes or not), self-reported history of diabetes mellitus (yes or no), self-reported history of heart disease (yes or no), self-reported history of cerebrovascular disease (yes or no), and self-reported history of respiratory diseases (yes or no)
