Table 4.
Final modelling of OHIP-14 score based on associated variables using the backward method.
| Variables | IRR (95% CI) | p value |
|---|---|---|
| Losing a tooth | ||
| No | Reference | |
| Yes | 1.31 (1.10, 1.57) | 0.003∗∗ |
|
| ||
| Self-assessment of oral health | ||
| Poor | Reference | |
| Fair | 0.81 (0.67, 0.97) | 0.021∗ |
| Good | 0.70 (0.59, 0.84) | <0.0001∗∗ |
| Very good | 0.76 (0.54, 1.07) | 0.122 |
| Excellent | 0.88 (0.54, 1.43) | 0.601 |
| PAS | 0.98 (0.97, 0.99) | 0.028∗ |
| NAS | 1.01 (1.00, 1.02) | 0.035∗ |
∗∗Correlation is significant at the 0.01 level. ∗Correlation is significant at the 0.05 level.