Table 4. Mixed Analysis of Variance for Depression, Anxiety, and Pain Severity Scores with Greenhouse-Geisser Correction.
| Variables | Statistical indices | SS | df | MS | F | P-value | Effect size | Power | |
| Depression | Within-Group |
Test (Repeating Measurement ) Test*Group Error |
435.82 289.86 134.31 |
1.17 1.17 32.78 |
372.17 247.53 4.09 |
90.85 60.42 |
0.001 0.001 |
0.764 0.68 |
0.99 0.99 |
| Between-Group |
Group Error |
409.6 498.22 |
1 28 |
409.6 17.79 |
23.01 | 0.001 | 0.45 | 0.99 | |
| Anxiety | Within-Group |
Test (Repeating Measurement ) Test*Group Error |
176.08 157.86 84.4 |
1.79 1.79 50.24 |
98.12 87.96 1.67 |
58.66 52.59 |
0.001 0.001 |
0.67 0.65 |
0.99 0.99 |
| Between-Group |
Group Error |
193.6 216.22 |
1 28 |
193.60 7.72 |
25.7 | 0.001 | 0.47 | 0.99 | |
| Pain severity | Within-Group |
Test (Repeating Measurement ) Test*Group Error |
247.75 186.2 178.71 |
1.27 1.27 35.66 |
194.53 146.2 5.01 |
38.81 29.17 |
0.001 0.001 |
0.58 0.51 |
0.99 0.99 |
| Between-Group |
Group Error |
168.1 656.22 |
1 28 |
168.1 23.43 |
7.17 | 0.012 | 0.2 | 0.98 |