Table 5. Summary of mixed design ANOVA for tuberculosis knowledge, attitude and practice scores (between and within subject effects) (N = 226).
| Outcome measure | Source of variance | Type 111 Sum of squares | Degree of freedom | Mean square | F | p-value | Partial ἠ2 | Cohen d |
|---|---|---|---|---|---|---|---|---|
| Knowledge | Group | 9182.618 | 1 | 9182.618 | 662.889 | 0.001 | 0.753 | 5.4 |
| Time | 2389.10 | 3.605 | 662.637 | 52.046 | 0.001 | 0.193 | 1.52 | |
| group x time | 1561.998 | 3.605 | 433.234 | 34.028 | 0.001 | 0.135 | 1.23 | |
| Attitude | Group | 1156.366 | 1 | 1156.366 | 35.921 | 0.001 | 0.141 | 1.26 |
| Time | 776.448 | 3.547 | 218.878 | 9.735 | 0.001 | 0.043 | 0.65 | |
| group x time | 174.108 | 3.547 | 15.547 | 2.183 | 0.077 | 0.010 | 0.31 | |
| Practice | Group | 377.483 | 1 | 377.483 | 140.273 | 0.001 | 0.392 | 2.56 |
| Time | 234.684 | 3.632 | 64.616 | 24.201 | 0.001 | 0.100 | 1.02 | |
| group x time | 118.258 | 3.632 | 32.560 | 12.195 | 0.001 | 0.053 | 0.74 |
Significant at p<0.05. Partial ἠ2, partial eta square. Group x time interaction represents the treatment effect as the difference in change-from-baseline between the two groups. P-values were calculated using mixed design ANOVA. F-statistics.