| CPAQ | Chronic Pain Acceptance Questionnaire |
| CPAQ-8 | Eight-Item Chronic Pain Acceptance Questionnaire (CPAQ-8) |
| HRQoL | Health-related quality of life |
| SF-36 | The SF-36 Health Status Questionnaire |
| SF-Phy | Physical health dimension of HRQoL |
| SF-Psy | Psychological health dimension of HRQoL |
| HADS | The Hospital Anxiety and Depression Scale |
| HADS-A | The Hospital Anxiety and Depression Scale—Anxiety subscale |
| HADS-D | The Hospital Anxiety and Depression Scale—Depression subscale |
| PCS | The Pain Catastrophizing Scale |
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