Table 6. The Mean Scores of Pretest and Posttest of Adherence to Self-Care Behaviors in Study Groups, Based on ANCOVA Results.
| Variable | Sum of squares | Degree of freedom | Mean square | F | Level of significance | Level of impact | Test Power |
|---|---|---|---|---|---|---|---|
| Pretest | 12.05 | 1 | 12.05 | 0.94 | 0.33 | 0.94 | 0.15 |
| Age | 4.51 | 1 | 4.51 | 0.35 | 0.55 | 0.35 | 0.09 |
| Sex | 41.27 | 1 | 41.27 | 3.22 | 0.07 | 3.22 | 0.42 |
| Marital | 1.78 | 1 | 1.78 | 0.14 | 0.71 | 0.14 | 0.06 |
| Education | 13.54 | 1 | 13.54 | 1.05 | 0.30 | 1.05 | 0.17 |
| Occupation | 31.03 | 1 | 31.03 | 2.42 | 0.12 | 2.42 | 0.33 |
| Group | 4447.19 | 1 | 4447.19 | 347.08 | 0.0001 | 347.08 | 1.00 |
| Error | 794.42 | 63 | 12.81 | ||||
| Total | 155988.00 | 70 |