Table 2.
Correlations Between PCL Total Score and MPQ and Significance of Interaction Between Trauma and PCL Symptoms, Controlling for Age
|
All (N = 5,703)
|
Trauma (N = 3,015)
|
No Trauma (N =2,688)
|
Interaction of PCL-T and Trauma History
|
|||||
|---|---|---|---|---|---|---|---|---|
| R | P | R | P | R | P | β | P | |
| Full sample | ||||||||
| MPQ-Total | .60 | <.001 | .60 | <.001 | .50 | <.001 | −.05 | <.05 |
| Sensory | .56 | <.001 | .57 | <.001 | .46 | <.001 | −.04 | .16 |
| Affective | .62 | <.001 | .62 | <.001 | .54 | <.001 | .04 | .07 |
| VAS | .49 | <.001 | .49 | <.001 | .40 | <.001 | −.08 | <.01 |
| PPI | .48 | <.001 | .48 | <.001 | .39 | <.001 | −.07 | <.01 |
|
| ||||||||
| Chronic pain subsample | ||||||||
| MPQ-Total | .56 | <.001 | .56 | <.001 | .45 | <.001 | −.02 | .68 |
| Sensory | .51 | <.001 | .52 | <.001 | .40 | <.001 | .00 | .99 |
| Affective | .60 | <.001 | .59 | <.001 | .54 | <.001 | .00 | .93 |
| VAS | .41 | <.001 | .42 | <.001 | .32 | <.001 | −.02 | .65 |
| PPI | .42 | <.001 | .42 | <.001 | .30 | <.001 | .02 | .68 |
Abbreviations: PCL-T, PTSD Checklist total score; MPQ-Total, Short Form McGill Pain Questionnaire total score; VAS, MPQ Visual Analogue Scale; PPI, MPQ Present Pain Intensity; r, Pearson product moment correlation coefficient; β, standardized regression coefficient (beta weight); P, probability value.