Table 7 Results of piecewise linear growth models for teacher-rated outcome measures (N = 47, after excluding children who started stimulant medication during the treatment period)
Intercept | β 10 | β 20+20 | β 10 vs. β 20+30 | ||
|---|---|---|---|---|---|
(waiting period) | (treatment + follow-up period) | (contrast) | |||
Child behaviour | |||||
TRF Total scale | 46.30*** | −0.86 | −6.40* | β 10 = β 20+30 | |
TRF Externalizing | 18.81*** | −0.74 | −3.12* | β 10 = β 20+30 | |
TRF Internalizing | 7.64*** | −0.42 | −0.08 | β 10 = β 20+30 | |
ADHD rating scale | 1.07*** | 0.05 | −0.23** | β 10 < β 20+30* | |
ODD rating scale | 1.01*** | −0.02 | −0.17 | β 10 = β 20+30 | |