Table 2.
Regression, predicting VAS score
| β | T-ratio | p = | |
| Constant | 83.23 | 49.32 | < 0.01 |
| Age, years | 0.05 | 2.36 | 0.02 |
| University degree = 1 | -1.25 | -2.29 | 0.02 |
| Current smoker = 1 | -2.84 | -5.63 | < 0.01 |
| Ethnicity, non-white = 1 | -4.17 | -3.35 | < 0.01 |
| HADS | |||
| Possible anxiety = 1 | -1.65 | -2.61 | 0.01 |
| Probable anxiety = 1 | -3.22 | -4.52 | < 0.01 |
| Possible depression = 1 | -6.32 | -5.90 | < 0.01 |
| Probable depression = 1 | -5.71 | -3.45 | < 0.01 |
| MHLCS | |||
| Internal | 0.29 | -3.33 | < 0.01 |
| External | -0.25 | -2.62 | 0.01 |
| EQ-5D domain and level | |||
| Mobility 2/3 = 1 | -4.61 | -6.07 | < 0.01 |
| Self-care 2/3 = 1 | -6.35 | -8.60 | < 0.01 |
| Usual activities 2/3 = 1 | -6.77 | -5.88 | < 0.01 |
| Pain/discomfort 2 = 1 | -5.11 | -9.19 | < 0.01 |
| Pain/discomfort 3 = 1 | -12.94 | -10.79 | < 0.01 |
| Anxiety/depression 2 = 1 | -5.47 | 5.17 | < 0.01 |
| Anxiety/depression 3 = 1 | -19.56 | -5.91 | < 0.01 |
| Adjusted r2 | 0.32 |