Table 3.
Correlations of PPIQ total score with scales for chronic pain interference, pain severity, and other psychosocial variables
| Scale | PPIQ total score |
|---|---|
| PDI | 0.797*** |
| ODI | 0.808*** |
| MPI-Int | 0.717*** |
| MPI Pain Severity | 0.685*** |
| SF-MPQ PRI | 0.606*** |
| SF-MPQ VAS | 0.552*** |
| SF-MPQ PPI | 0.446*** |
| MPI Distress | 0.467*** |
| CESD | 0.531*** |
| PANAS Negative Affect | 0.395*** |
| PANAS Positive Affect | −0.292* |
| CESD Positive Affect | −0.373** |
| MPI Life Control | −0.291* |
Note:
p<0.01,
p<0.001,
p<0.0001.
Abbreviations: CESD, Center for Epidemiological Studies Depression; MPI, Multidimensional Pain Inventory; MPI-Int, Multidimensional Pain Inventory-Interference; ODI, Oswestry Disability Index; PANAS, Positive and Negative Affect Scale; PDI, Pain Disability Index; PPI, Present Pain Intensity; PPIQ, Pictorial Pain Interference Questionnaire; PRI, Pain Rating Index; SF-MPQ, Short-Form McGill Pain Questionnaire; VAS, Visual Analog Scale.