Table 3.
Mixed‐effects model repeated measures estimates
| df | F | p | Cohen’s d | ||
|---|---|---|---|---|---|
| Depressive symptoms (PHQ‐A) | |||||
| Condition (intervention vs. control) | 1 | 191.59 | 1.90 | .170 | |
| Time (post‐test vs. baseline) | 1 | 165.18 | 34.35 | <.001 | |
| Condition × Time | 2 | 165.18 | 2.22 | .138 | 0.26 |
| Generalised anxiety (SCASGAD) | |||||
| Condition (intervention vs. control) | 1 | 190.50 | 0.67 | .415 | |
| Time (post‐test vs. baseline) | 1 | 165.91 | 1.29 | .257 | |
| Condition × Time | 2 | 165.91 | 0.20 | .659 | 0.09 |
| Separation anxiety (SCASSAD) | |||||
| Condition (intervention vs. control) | 1 | 192.12 | 0.26 | .610 | |
| Time (post‐test vs. baseline) | 1 | 167.70 | 1.07 | .301 | |
| Condition × Time | 2 | 167.70 | 1.28 | .259 | 0.02 |
| Psychological distress (DQ5) | |||||
| Condition (intervention vs. control) | 1 | 188.19 | 0.06 | .808 | |
| Time (post‐test vs. baseline) | 1 | 163.43 | 18.28 | <.001 | |
| Condition × Time | 2 | 163.43 | 2.28 | .133 | 0.26 |
| Mental wellbeing (WEMWS) | |||||
| Condition (intervention vs. control) | 1 | 191.04 | 0.15 | .697 | |
| Time (post‐test vs. baseline) | 1 | 167.06 | 8.38 | .004 | |
| Condition × Time | 2 | 167.06 | 5.30 | .023 | 0.37 |
| Help‐seeking intentions (GHSQ) | |||||
| Condition (intervention vs. control) | 1 | 188.97 | 0.07 | .797 | |
| Time (post‐test vs. baseline) | 1 | 166.02 | 0.22 | .640 | |
| Condition × Time | 2 | 166.02 | 5.97 | .016 | 0.36 |
| Professional help‐seeking intentions (GHSQ‐P) | |||||
| Condition (intervention vs. control) | 1 | 189.87 | 0.15 | .700 | |
| Time (post‐test vs. baseline) | 1 | 170.24 | 0.56 | .457 | |
| Condition × Time | 2 | 170.24 | 7.10 | .008 | 0.36 |
| Belongingness (TBS) | |||||
| Condition (intervention vs. control) | 1 | 188.57 | 0.17 | .678 | |
| Time (post‐test vs. baseline) | 1 | 162.92 | 11.21 | .001 | |
| Condition × Time | 2 | 162.92 | 1.00 | .319 | 0.17 |
| Social self‐efficacy (SSES) | |||||
| Condition (intervention vs. control) | 1 | 185.75 | 0.06 | .800 | |
| Time (post‐test vs. baseline) | 1 | 163.69 | 0.25 | .620 | |
| Condition × Time | 2 | 163.69 | 1.91 | .169 | 0.23 |
| Social Support: Friends – positive | |||||
| Condition (intervention vs. control) | 1 | 192.61 | 0.82 | .365 | |
| Time (post‐test vs. baseline) | 1 | 176.58 | 1.13 | .289 | |
| Condition × Time | 2 | 176.58 | 0.02 | .900 | 0.01 |
| Social Support: Friends – negative | |||||
| Condition (intervention vs. control) | 1 | 185.79 | 0.01 | .916 | |
| Time (post‐test vs. baseline) | 1 | 168.19 | 0.08 | .778 | |
| Condition × Time | 2 | 168.19 | 1.30 | .255 | 0.17 |
| Social support: Family – positive | |||||
| Condition (intervention vs. control) | 1 | 191.39 | 1.48 | .225 | |
| Time (post‐test vs. baseline) | 1 | 170.83 | 0.35 | .556 | |
| Condition × Time | 2 | 170.83 | 0.56 | .456 | 0.11 |
| Social support: Family – negative | |||||
| Condition (intervention vs. control) | 1 | 188.44 | 0.00 | .951 | |
| Time (post‐test vs. baseline) | 1 | 167.05 | 0.44 | .508 | |
| Condition × Time | 2 | 167.05 | 0.46 | .496 | 0.08 |
Bold values indicate p < .05