Table 1.
Association between bruxism and GERD using conditional logistic regression.
| Variables | Bruxism (n = 363) 1 | Non-Bruxism (n = 363) 1 | Univariate Analysis | Multivariable Analysis | ||||
|---|---|---|---|---|---|---|---|---|
| Model 1 2 | Model 2 3 | |||||||
| OR (95% CI) | p-Value | OR (95% CI) | p-Value | OR (95% CI) | p-Value | |||
| GERD | 68 (18.7) | 13 (3.6) | 6.21 (3.36–11.46) | <0.001 | 5.30 (2.62–10.70) | <0.001 | 3.84 (1.86–7.95) | <0.001 |
| GERD duration | ||||||||
| ≤5 years | 28 (7.7) | 8 (2.2) | 4.15 (1.86–9.25) | <0.001 | 3.38 (1.38–8.24) | 0.008 | 2.49 (0.98–6.29) | 0.054 |
| >5 years | 40 (11.0) | 5 (1.4) | 9.49 (3.70–24.36) | <0.001 | 8.73 (2.97–25.63) | <0.001 | 6.27 (2.07–18.97) | 0.001 |
Abbreviations: CI, confidence interval; GERD, gastroesophageal reflux disease; OR, odds ratio. 1 Values listed in these columns are numbers (percentages) of subjects. 2 Adjusted for marital status, pain-related temporomandibular disorder, possibility of obstructive sleep apnea, sleep quality, depression and anxiety. 3 Adjusted for marital status, pain-related temporomandibular disorder, possibility of obstructive sleep apnea, sleep quality, depression, anxiety, and tooth wear.