| Univariable | Multivariable | ||
---|---|---|---|---|
HR (95Â %CI) | p value | HR (95Â %CI) | p value | |
Biological factor | ||||
Gender | 1.211 (0.891, 1.646) | 0.222 | Â | Â |
Sleep bruxism | 2.508 (1.668, 3.772) | < 0.001 | 1.943 (1.217, 3.104) | 0.005 |
Awake bruxism | 2.540 (1.272, 5.073) | 0.008 | 1.284 (0.567, 2.908) | 0.548 |
Empty chewing | 3.229 (2.056, 5.071) | < 0.001 | 2.489 (1.484, 4.173) | 0.001 |
Unilateral chewing | 2.589 (1.890, 3.545) | < 0.001 | 1.679 (1.178, 2.393) | 0.004 |
Chewing gum | 1.443 (1.035, 2.001) | 0.030 | 0.977 (0.668, 1.429) | 0.906 |
Static occlusion | ||||
Angle’s malocclusion | 1.276 (0.785, 3.461) | 0.364 |  |  |
Anterior teeth overbite | 1.234 (1.115, 1.367) | < 0.001 | 1.193 (1.014, 1.403) | 0.033 |
Anterior teeth overjet | 1.262 (1.073, 1.485) | 0.005 | 1.017 (0.786, 1.317) | 0.895 |
Posterior teeth crossbite | 0.426 (0.093, 1.960) | 0.273 | Â | Â |
Posterior scissor bite | 1.718 (0.840, 3.515) | 0.138 | Â | Â |
Psychological factor | ||||
Depression | 2.829 (2.042, 3.921) | < 0.001 | 1.656 (1.143, 2.400) | 0.008 |
Anxiety | 4.911 (3.523, 6.844) | < 0.001 | 3.351 (2.325, 4.829) | < 0.001 |
Sleep disturbance | 2.021 (1.505, 2.714) | < 0.001 | 1.324 (0.946, 1.852) | 0.101 |