Table 2 Comparison of teacher outcome variables between the intervention and control arms at baseline, post intervention (T1) and follow up (T2)
Intervention | Control | Group difference | Time effect | Group effect | Time * group effect | ||||
|---|---|---|---|---|---|---|---|---|---|
Mean (SD) | Mean (SD) | Meana (95% CI) | Sig | \(\eta_{p}^{2}\) | Sig | \(\eta_{p}^{2}\) | Sig | \(\eta_{p}^{2}\) | |
Mental Health Literacy | |||||||||
Baseline (T0) | 37.60 (5.39) | 36.86 (6.71) | 5.70* (4.26–7.14) | F = 41.51 P ≤ 0.000** | 0.314 | F = 61.36 P ≤ 0.000** | 0.252 | F = 38.66 P ≤ 0.000** | 0.314 |
Post intervention. (T1) | 46.30 (6.05) | 36.12 (6.78) | |||||||
Follow-up (3 months). (T2) | 42.84 (6.05) | 35.94 (6.70) | |||||||
Teacher’s Self-efficacy in classroom management | |||||||||
Baseline (T0) | 28.01 (6.10) | 29.67 (5.68) | 0.631 (− 0.628 to 1.89) | F = 12.49 P ≤ 0.000** | 0.121 | F = 0.977 P = 0.324 | 0.005 | F = 16.45 P ≤ 0.000** | 0.154 |
Post intervention. (T1) | 31.46 (3.73) | 29.17 (5.03) | |||||||
Follow-up (3 months). (T2) | 30.16 (4.38) | 28.89 (5.31) | |||||||
Teacher’s Self-efficacy in student engagement | |||||||||
Baseline (T0) | 28.53 (5.99) | 29.31 (5.58) | 0.305 (− 0.937 to 1.54) | F = 2.89 P ≤ 0.05* | 0.031 | F = 0.235 P = 0.629 | 0.001 | F = 4.65 P ≤ 0.011* | 0.049 |
Post intervention. (T1) | 29.94 (4.97) | 28.43 (4.93) | |||||||
Follow-up (3 months). (T2) | 28.51 (5.43) | 28.33 (5.00) | |||||||
Confidence in helping students with mental health problems | |||||||||
Baseline (T0) | 3.08 (0.650) | 3.52 (0.650) | 0.102 (− 0.065 to 0.269) | F = 8.38 P ≤ 0.000** | 0.085 | F = 1.46 P = 0.228 | 0.008 | F = 15.96 P ≤ 0.000** | 0.150 |
Post intervention. (T1) | 3.80 (0.786) | 3.40 (0.735) | |||||||
Follow-up (3 months). (T2) | 3.65 (0.893) | 3.31 (0.839) | |||||||