Table 2.
Associations between oral status and chewing difficulty in Thai older adults (n = 4,130)
| Variables | N (%) | % with Chewing difficulty | |
|---|---|---|---|
| Number of teeth | |||
| 20 | < 20 | 2,228 (53.9) | 53.6 |
| ≥ 20 | 1,902 (46.1) | 51.7 | |
| 21 | < 21 | 2,355 (57.0) | 53.8 |
| ≥ 21 | 1,775 (43.0) | 51.4¶ | |
| 22 | < 22 | 2,482 (60.1) | 53.6 |
| ≥ 22 | 1,648 (39.9) | 51.5¶ | |
| 23 | < 23 | 2,635 (63.8) | 53.7 |
| ≥ 23 | 1,495 (36.2) | 51.0¶ | |
| 24 | < 24 | 2,818 (68.2) | 53.4 |
| ≥ 24 | 1,312 (31.8) | 51.3 | |
| 25 | < 25 | 3,008 (72.8) | 53.4 |
| ≥ 25 | 1,122 (27.2) | 51.1¶ | |
| 26 | < 26 | 3,205 (77.6) | 53.6 |
| ≥ 26 | 925 (22.4) | 49.7* | |
| 27 | < 27 | 3,383 (81.9) | 53.6 |
| ≥ 27 | 747 (18.1) | 49.0* | |
| 28 | < 28 | 3,559 (86.2) | 53.6 |
| ≥ 28 | 571 (13.8) | 47.3** | |
| Occlusal Pairs | |||
| 4 | < 4 | 2,517 (60.9) | 53.0 |
| ≥ 4 | 1,613 (39.1) | 52.3 | |
| 5 | < 5 | 2,843 (68.8) | 53.3 |
| ≥ 5 | 1,287 (31.2) | 51.4 | |
| 6 | < 6 | 3,141 (76.1) | 53.3 |
| ≥ 6 | 989 (23.9) | 51.0 | |
| 7 | < 7 | 3,470 (84.0) | 53.3 |
| ≥ 7 | 660 (16.0) | 49.5¶ | |
| 8 | < 8 | 3,705 (89.7) | 53.4 |
| ≥ 8 | 425 (10.3) | 47.3* | |
**p < 0.01, *p < 0.05, ¶p < 0.2 (chi-square test)