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Correlation matrix of the main variables of interest
| Pain | Depression | Anxiety | Physical QoL | |
|---|---|---|---|---|
| Depression | 0.212 | |||
| Anxiety | 0.173 | 0.581 | ||
| Physical QoL | − 0.373 | − 0.528 | − 0.364 | |
| Psychological QoL | − 0.191 | − 0.726 | − 0.615 | 0.601 |
Kendall’s tau correlation coefficients are provided for the variables that are associated with pain, and Pearson’s correlation coefficients are given for the remaining associations
