Table 1 Participant characteristics
|  |  | Number of teeth | p value†| |||
|---|---|---|---|---|---|---|
<20 | ≥20 | |||||
Average | SD | Average | SD | |||
| Â | Total | n = 793 | n = 1407 | Â | ||
Age (years) | 2200 | 68.0 | 8.3 | 58.8 | 9.5 | <0.001* |
| Â | Total | n = 779 | Â | n = 1392 | Â | Â |
BMI (kg/m2) | 2171 | 23.4 | 4.0 | 23.4 | 3.2 | 0.275 |
| Â | Â | n = 670 | n = 1257 | Â | ||
Alcohol consumption (g/day) | 1927 | 11.3 | 23.6 | 13.3 | 26.0 | 0.004 |
|  |  | Number of teeth | p value‡ | |||
|---|---|---|---|---|---|---|
|  |  | <20 | ≥20 | |||
Variable | Â | n | % | n | % | |
Sex | Male | 374 | 47.0 | 586 | 41.9 | 0.012* |
Female | 421 | 53.0 | 827 | 58.5 | ||
Total | 795 | Â | 1413 | Â | ||
Educational status | High | 121 | 18.7 | 220 | 18.7 | 1.000 |
Middle | 364 | 56.3 | 664 | 56.4 | ||
Low | 161 | 24.9 | 293 | 24.9 | ||
Total | 646 | Â | 1177 | Â | ||
Hypertension | No | 255 | 45.5 | 594 | 60.9 | <0.001* |
Yes | 306 | 54.5 | 381 | 39.1 | ||
Total | 561 | Â | 975 | Â | ||
Diabetes mellitus | No | 518 | 92.3 | 934 | 95.8 | 0.005* |
Yes | 43 | 7.7 | 41 | 4.2 | ||
Total | 561 | Â | 975 | Â | ||
Current smoker | No | 555 | 81.9 | 1022 | 80.8 | 0.584 |
Yes | 123 | 18.1 | 243 | 19.2 | ||
Total | 678 | Â | 1265 | Â | ||
Perceived mental stress | Never | 42 | 5.3 | 62 | 4.4 | <0.001* |
Not very often | 244 | 31.0 | 312 | 22.2 | ||
Sometimes | 409 | 52.0 | 817 | 58.1 | ||
Most of the time | 91 | 11.6 | 214 | 15.2 | ||
Total | 786 | Â | 1405 | Â | ||