Mean scores for the five subdomains of the Erickson (parent) scales at baseline, six, and 12 months follow up
| Group | n | Hostility | Structure | Respect | Supportive | Quality | ||
| Baseline | VT | 93 | 6.9 (0.7) | 4.6 (1.4) | 4.9 (1.4) | 4.9 (1.5) | 4.5 (1.6) | |
| WW | 91 | 6.9 (0.3) | 5.1 (1.2) | 5.3 (1.3) | 5.4 (1.3) | 5.0 (1.4) | ||
| 6 months follow up | VT | 87 | 7.0 (0.2) | 4.8 (1.5) | 4.9 (1.3) | 4.9 (1.4) | 4.4 (1.5) | |
| WW | 89 | 6.9 (0.5) | 5.2 (1.2) | 5.4 (1.3) | 5.4 (1.4) | 5.2 (1.3) | ||
| 12 months follow up | VT | 84 | 7.0 (0.2) | 4.8 (1.4) | 5.0 (1.3) | 5.0 (1.4) | 4.7 (1.4) | |
| WW | 81 | 7.0 (0.2) | 5.5 (1.0) | 5.3 (1.2) | 5.5 (1.2) | 5.3 (1.3) | ||
Results expressed as mean (SEM).