Table 4: Repeated measure ANOVA of variables between the intervention and control groups (N=142).

Variables SS df MS F-test P-value
Knowledge
Between subjects
Intervention 23.61 1 23.61 7.72 <0.006
Error (between group error) 428.12 140 3.06
Within subjects*
Time 180.21 1.77 101.57 106.49 <0.001
Intervention x Time 12.98 1.77 7.32 7.67 0.001
Error (Time error) 236.92 248.40 0.95
Stress level
Between subjects
Intervention 1179.81 1 1179.81 6.41 0.012
Error (between group error) 25766.49 140 184.05
Within subjects*
Time 1452.48 1.57 925.29 63.89 <0.001
Intervention x Time 62.82 1.57 40.02 2.76 0.078
Error (Time error) 3182.57 219.77 14.48
Stress management
Between subjects
Intervention 428.68 1 428.68 6.47 0.012
Error (between group error) 9280.62 140 66.29
Within subjects*
Time 892.44 1.72 518.75 164.75 <0.001
Intervention x Time 185.01 1.72 107.54 34.15 <0.001
Error (Time error) 758.38 240.85 3.15

* Significant at p-value <0.05
SS: Sum of Squares, df: Degrees of freedom, MS: Mean Square