Table 3.
Multiple Regression Analyses in the BMS and Control Groups for Effects of Psychologic Parameters on Conditioned Pain Modulation with Nonnoxious Stimulus CPM40°C
| Dependent variable | Predictor variable | β | t | P |
|---|---|---|---|---|
| BMS | ||||
| Constant | 0.263 | .798 | ||
| Age | –0.342 | –1.259 | .237 | |
| Disease-related pain | –0.163 | –0.594 | .566 | |
| Pain duration (mo) | 0.377 | 1.356 | .205 | |
| T-A | 0.031* | 0.088 | .932 | |
| D | 0.327 | 0.420 | .683 | |
| A-H | –0.257 | –0.458 | .657 | |
| V | –0.235 | –0.485 | .638 | |
| F | –0.422 | –1.052 | .318 | |
| C | 0.490 | 0.966 | .357 | |
| Trait anxiety | 0.415 | 1.047 | .320 | |
| State anxiety | –0.197 | –0.395 | .701 | |
| Control | ||||
| Constant | 0.678 | .511 | ||
| Age | –0.091 | –0.389 | .704 | |
| T-A | –0.077 | –0.257 | .802 | |
| D | 0.057 | 0.136 | .894 | |
| A-H | 0.208 | 0.573 | .577 | |
| V | 0.160 | 0.593 | .564 | |
| F | –0.746 | –2.829 | .015* | |
| C | –0.033 | –0.119 | .907 | |
| Trait anxiety | –0.016 | –0.046 | .964 | |
| State anxiety | 0.009* | 0.033* | .974 | |
A-H = anger-hostility; C = confusion; CPM = conditioned pain modulation; D = depression-dejection; F = fatigue; T-A = tension-anxiety; V = vigor.
*Significant (P < .05).