Table 4.
Correlation matrix for pain and biopsychosocial variables (n = 170)
| PSS | PIS | Years of school | SE-6-Xhosa | EQ5D index | BDI | HTQ | |
|---|---|---|---|---|---|---|---|
| Pain Severity Score (PSS) | 1.00 | ||||||
| Pain Interference Score (PIS) | 0.35* | 1.00 | |||||
| Years of school | −0.25* | −0.20* | 1.00 | ||||
| Self-efficacy (SE-6-Xhosa) | −0.04 | −0.13 | 0.04 | 1.00 | |||
| Health related quality of Life (EQ5D index) | −0.35* | −0.37* | 0.25* | 0.22* | 1.00 | ||
| Depression (BDI) | 0.20* | 0.44* | −0.22* | −0.27* | −0.44* | 1.00 | |
| Post-traumatic stress disorder (HTQ) | 0.10 | 0.19* | −0.12 | 0.11 | −0.21* | 0.36* | 1.00 |
bold* indicates significance at p < 0.05