TABLE 8.
Results of multiple regression analysis predicting pain intensity (VAS) from DIF, EOT, HADS-A, HADS-D in alexithymic (n = 40) and non-alexithymic patients (n = 34).
| Dependent variables | Predictors | β | S.E. | Lim. inf. (95%) | Lim. sup. (95%) | P values |
| Alexithymia | ||||||
| VAS | Intercept | 3.415 | 0.612 | 2.174 | 4.656 | < 0.0001∗∗ |
| QUID-S | 12.636 | 2.557 | 7.455 | 17.816 | < 0.0001∗∗ | |
| QUID-A | –2.532 | 1.756 | –6.089 | 1.025 | 0.158 | |
| No alexithymia | ||||||
| VAS | Intercept | –1.760 | 2.206 | –6.280 | 2.759 | 0.432 |
| DIF | 0.167 | 0.109 | –0.057 | 0.390 | 0.137 | |
| EOT | 0.089 | 0.095 | –0.105 | 0.283 | 0.357 | |
| HADS_A | 0.381 | 0.136 | 0.103 | 0.660 | 0.009∗ | |
| HADS_D | –0.006 | 0.131 | –0.274 | 0.262 | 0.965 | |
| QUID-A | 1.686 | 1.592 | –1.575 | 4.948 | 0.299 | |
DIF, Difficulty Identifying Feelings; EOT, Externally-Oriented Thinking; HADS-A, Hamilton Anxiety and Depression Scale-Anxiety; HADS-D, Hamilton Anxiety and Depression Scale-Depression; β, unstandardized beta; S.E., standard error. Bold data indicate significant variables in regression model. ∗p < 0.01; ∗∗p < 0.001.