Table A1.
Intercorrelations between physical and mental Health-related Quality of Life (HrQoL) and potential mediator variables.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
|---|---|---|---|---|---|---|---|
| 1. Physical HrQoL (SF-36) | |||||||
| 2. Mental HrQoL (SF-36) | 0.616*** | ||||||
| 3. Depressive symptoms (HADS) | −0.428*** | −0.712*** | |||||
| 4. Anxiety (HADS) | −0.377*** | −0.639*** | 0.702*** | ||||
| 5. Symptoms of insomnia (ISI) | −0.352*** | −0.409*** | 0.390*** | 0.406*** | |||
| 6. Pain catastrophizing (PCS) | −0.497*** | −0.398*** | 0.348*** | 0.365*** | 0.340*** | ||
| 7. Pain severity (BPI) | −0.463*** | −0.242*** | 0.164** | 0.140** | 0.273*** | 0.282*** | |
| 8. Pain interference (BPI) | −0.540*** | −0.300*** | 0.202*** | 0.175** | 0.285*** | 0.326*** | 0.848*** |
HrQoL, health-related quality of life; SF-36, Short-Form 36; HADS, Hospital Anxiety and Depression Scale; ISI, Insomnia Severity Index; PCS, Pain Catastrophizing Scale; BPI, Brief Pain Inventory. Bolded values indicate statistically significant result. For statistical significance: **p < 0.01; ***p < 0.001.