Table 2.
Correlation coefficients between psychological measures, pain intensity, and pain interference.
| Pain Intensity (GCPS) | Pain Interference (GCPS) | Pain Self-Efficacy (PSEQ) | Optimism (LOT-R) | |
|---|---|---|---|---|
| Pain interference (GCPS) | 0.71 * | - | - | - |
| Pain self-efficacy (PSEQ) | −0.44 * | −0.50 * | - | - |
| Optimism (LOT-R) | −0.13 | −0.08 | 0.28 * | - |
| Pain acceptance (CPAQ) | −0.40 * | −0.51 * | 0.54 * | 0.41 * |
Note GCPS = Grade Chronic Pain Scale; PSEQ = Pain Self-Efficacy Questionnaire; LOT-R = Life Orientation Test-Revised; CPAQ = Chronic Pain Acceptance Questionnaire; * p-value significant at 0.01.