| |
Univariable
|
Multivariable
|
|---|
|
HR (95 %CI)
|
p value
|
HR (95 %CI)
|
p value
|
|---|
|
Biological factor
|
|
Gender
|
1.211 (0.891, 1.646)
|
0.222
| | |
|
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
| | |
|
Posterior scissor bite
|
1.718 (0.840, 3.515)
|
0.138
| | |
|
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
|
- h hazard ratio, CI confidence interval
