Table 4.
Results of the MANOVA of pain, anxiety and depression on physical and psychological QoL
| Variable | Degrees of freedom | Pillai’s trace test statistic | Approximate F statistic | dfa1 | dfa2 | p value |
|---|---|---|---|---|---|---|
| Pain | 1 | 0.184 | 69.143 | 2 | 612 | < 0.0001 |
| Depression | 1 | 0.328 | 149.165 | 2 | 612 | < 0.0001 |
| Anxiety | 1 | 0.122 | 42.623 | 2 | 612 | < 0.0001 |
| Pain × depression | 1 | 0.024 | 7.497 | 2 | 612 | < 0.001 |
adf1 and df2 are the degrees of freedom used in determining the F value i.e. F(df1, df2)