Table 7. Standardized* Behavior Scores - Parent rated† (intention to treat), means (sd).
| Baseline | Post-Intervention | Change Score | |||||
| Active (n = 180) | Placebo (n = 182) | Active (n = 180) | Placebo (n = 182) | Active (n = 180) | Placebo (n = 182) | P | |
| Oppositional | 57.7 (12.0) | 55.4 (9.5) | 54.4 (10.8) | 55.0 (9.6) | −3.2 (10.1) | −0.4 (8.1) | 0.004 |
| Cognitive Problems | 59.7 (10.4) | 57.7 (9.6) | 56.0 (9.2) | 55.7 (9.4) | −3.7 (8.5) | −2.0 (7.6) | 0.055 |
| Hyperactivity | 54.1 (8.9) | 53.5 (9.0) | 51.2 (8.6) | 52.2 (7.8) | −2.9 (7.2) | −1.2 (7.1) | 0.007 |
| Anxiety | 51.7 (10.0) | 51.7 (8.9) | 47.9 (7.6) | 49.9 (9.2) | −3.8 (8.5) | −1.8 (8.9) | 0.074 |
| Perfectionism | 48.0 (8.3) | 48.6 (8.4) | 46.1 (6.9) | 47.3 (7.7) | −1.9 (6.9) | −1.4 (7.4) | 0.333 |
| Social Problems | 55.9 (11.6) | 54.8 (10.7) | 52.9 (9.8) | 53.2 (10.4) | −3.0 (10.0) | −1.6 (10.8) | 0.164 |
| Psychosomatic | 54.4 (10.7) | 55.9 (11.5) | 50.4 (9.4) | 53.0 (10.7) | −4.0 (10.2) | −2.8 (11.2) | 0.168 |
| ADHD Index | 58.2 (10.7) | 56.7 (9.8) | 53.7 (9.5) | 54.1 (9.7) | −4.5 (8.9) | −2.6 (7.4) | 0.042 |
| Global Restless-Impulsive | 57.6 (10.0) | 55.8 (9.4) | 52.8 (9.8) | 53.6 (9.6) | −4.8 (8.6) | −2.3 (8.2) | 0.001 |
| Global Emotional Lability | 54.7 (11.3) | 53.2 (9.9) | 51.5 (10.8) | 53.0 (9.7) | −3.1 (9.5) | −0.2 (9.3) | 0.001 |
| Global Index Total | 57.2 (10.5) | 55.4 (9.6) | 52.9 (10.2) | 53.7 (9.5) | −4.3 (8.8) | −1.8 (8.2) | 0.001 |
| DSM-IV Inattention | 56.7 (10.2) | 54.7 (9.3) | 53.5 (9.3) | 52.9 (9.4) | −3.2 (8.3) | −1.8 (7.5) | 0.087 |
| DSM-IV Hyperactive-Impulsive | 57.2 (10.5) | 56.3 (10.5) | 53.4 (10.0) | 54.0 (9.6) | −3.8 (8.3) | −2.2 (8.2) | 0.021 |
| DSM-IV Total ADHD | 57.4 (10.3) | 56.1 (9.4) | 53.6 (9.7) | 54.0 (9.5) | −3.8 (8.1) | −2.1 (7.4) | 0.031 |
*
T scores have a mean of 50, sd = 10. For values above the mean, higher scores indicate more severe difficulties with behaviour and/or attention.
†
Behaviour measures are derived from the Conners' Teacher Rating Scale.15