Table 3.
Covariance Analysis on the Mean Scores of the Posttest for Depression and Quality of Life Variables
| Variable |
Source of
change |
Sum of
squares |
Degree of
freedom |
Mean
squares |
F coefficient | Effect size |
Statistical
power |
P-
value |
|---|---|---|---|---|---|---|---|---|
| Depression | Pretest | 30.48 | 1 | 30.48 | 6.7 | 0.20 | 0.70 | 0.016 |
| Group | 328.24 | 1 | 328.24 | 72.17 | 0.73 | 1 | 0.001 | |
| Error | 118.24 | 26 | 4.54 | |||||
| QOL | pretest | 18.99 | 1 | 18.99 | 0.41 | 0.01 | 0.09 | 0.526 |
| Group | 405.17 | 1 | 405.17 | 8.82 | 0.25 | 1 | 0.006 | |
| Error | 1193.9 | 26 | 45.92 |
QOL = Quality of Life