Table 2.
Single regression models for the prediction of pain group patients. For each of the single regressions, the number of cases included in the analysis is shown. Associations are expressed as odds ratio (OR) and 95% confidence interval (CI).
| Predictor Variable | Number | Single Regression | Multiple Regression (Nagelkerke R2 = 0.121) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| p-Value | OR | 95% CI | p-Value | OR | 95% CI | |||||
| Age | 109 | 0.398 | 1.4 | 0.6 | 3.3 | |||||
| stress | 109 | 0.829 | 0.9 | 0.4 | 2.1 | |||||
| DEP | 0 | 63 | 0.019 | 2.2 | 0.8 | 6.2 | ||||
| 1 | 46 | 0.019 | 2.9 | 1.2 | 7.3 | |||||
| GCPS | 0 | 66 | 0.113 | 1.4 | 0.6 | 3.7 | ||||
| 1 | 43 | 0.113 | 2.0 | 0.9 | 4.9 | |||||
| SOM | 0 | 50 | 0.107 | 1.1 | 0.4 | 2.8 | ||||
| 1 | 59 | 0.107 | 2.0 | 0.9 | 4.5 | |||||
| gender | F | 89 | ||||||||
| M | 20 | 0.063 | 0.4 | 0.1 | 1.1 | 0.063 | 0.5 | 0.2 | 1.4 | |
| bruxism | 0 | 36 | ||||||||
| 1 | 73 | 0.136 | 1.9 | 0.8 | 34.4 | 0.398 | 1.8 | 0.9 | 3.6 | |
| chewing gum | 0 | 74 | ||||||||
| 1 | 35 | 0.379 | 0.8 | 0.5 | 1.2 | |||||
| nail biting | 0 | 91 | ||||||||
| 1 | 18 | 0.225 | 0.5 | 0.2 | 1.5 | |||||
| tooth.wear | 109 | 0.318 | 3.0 | 0.5 | 57.9 | |||||
moderate/severe depression (DEP); chronic pain-related impairment (GCPS); moderate/severe somatization (SOM).