Table 1.
Baseline characteristics of participants in the General Population Study, overall and by quartiles of excess tooth loss.
| Quartiles of excess tooth loss1 |
||||||
|---|---|---|---|---|---|---|
| Overall2 | Q13 | Q23 | Q33 | Q43 | ||
| N (%) | 29,358 | 7562 (25.8) | 8422 (28.7) | 6300 (21.5) | 7074 (24.1) | |
| Age, years, mean (SD) | 51.9 (8.88) | 56.5 (6.37) | 46.9 (7.93) | 49.1 (8.60) | 55.6 (8.43) | |
| Sex, n (%) | Female | 16,277 (55.4) | 3325 (20.4) | 4537 (27.9) | 3890 (23.9) | 4525 (27.8) |
| Male | 13,081 (44.6) | 4237 (32.4) | 3885 (29.7) | 2410 (18.4) | 2549 (19.5) | |
| Smoking, n (%) | Nonsmoker | 20,546 (70.0) | 4839 (23.6) | 5884 (28.6) | 4614 (22.5) | 5209 (25.4) |
| Smoker | 8812 (30.0) | 2723 (30.9) | 2538 (28.8) | 1686 (19.1) | 1865 (21.2) | |
| Alcohol use, n (%) | No | 22,468 (76.5) | 5705 (25.4) | 6166 (27.4) | 4801 (21.4) | 5796 (25.8) |
| Yes | 6890 (23.5) | 1857 (27.0) | 2256 (32.7) | 1499 (21.8) | 1278 (18.5) | |
| Education, n (%) | No school | 11,776 (40.1) | 3335 (28.3) | 2300 (19.5) | 2319 (19.7) | 3822 (32.5) |
| 1–5 years | 9147 (31.2) | 2593 (28.3) | 2666 (29.1) | 1976 (21.6) | 1912 (20.9) | |
| Primary school | 3147 (10.7) | 527 (16.7) | 1354 (43.0) | 816 (25.9) | 450 (14.3) | |
| Middle school+ | 2695 (9.18) | 338 (12.5) | 1458 (54.1) | 662 (24.6) | 237 (8.79) | |
| Other | 2593 (8.83) | 769 (29.7) | 644 (24.8) | 527 (20.3) | 653 (25.2) | |
| BMI, mean (SD) | 21.9 (2.49) | 22.1 (2.55) | 22.1 (2.46) | 22.0 (2.45) | 21.6 (2.48) | |
| Number of missing teeth, mean (SD) | 9.52 (10.2) | 2.84 (3.45) | 3.35 (4.34) | 9.12 (5.37) | 24.4 (7.46) | |
Abbreviation: N, number; Q, quartile; SD, standard devision.
1
Excess tooth loss is defined as the number of lost teeth in excess of the loess smoothed, age-specific median number of teeth lost.
2
Percentages are column-wise.
3
Percentages are row-wise.