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Independent t-tests between participants who met cut-off criteria for depressive symptoms and those who did not meet symptoms criteria and quality of life and pain on average.
| Depressive symptoms | No depressive symptoms | t | P | |
|---|---|---|---|---|
| Physical QOLa | 34.2 ± 7.6 | 37.6 ± 8.2 | 5.3 | 0.0001 |
| Mental QOLb | 44.9 ± 8.2 | 49.0 ± 7.3 | 5.3 | 0.0001 |
| Painc | 5.5 ± 2.5 | 3.4 ± 2.9 | 9.9 | 0.0001 |
N = 691. However, the sample size for some of the variables is smaller due to missing data. a n = 610. b n = 610. c n = 666.
