Table 2.
Summary Statistics for Outcome Variables
| Variable | Group (n) | Baseline | Week 16 | Difference (CI) | Effect sizea |
|---|---|---|---|---|---|
| Parenting Daily Hassles | Treatment (68) | 2.38 (0.66) | 1.96 (.67) | 0.42b (0.29, 0.55) | 0.069 |
| Placebo (16) | 2.38 (0.72) | 2.32 (.71) | 0.07b (–0.17, 0.31) | ||
| Impact on Family | Treatment (69) | 1.99 (0.92) | 1.55 (1.00) | 0.45b (0.26, 0.63) | 0.056 |
| Placebo (16) | 1.80 (0.86) | 1.82 (1.02) | –0.03b (–0.36, 0.31) | ||
| ADHD-RS total | Treatment (81) | 1.81 (0.60) | 1.17 (0.75) | 0.64b (0.46, 0.81) | 0.058 |
| Placebo (18) | 1.80 (0.67) | 1.63 (0.75) | 0.17b (–0.05, 0.39) |
a
Partial eta squared.
b
Difference of baseline and week 16 mean.
Abbreviations: CI = 95% Confidence interval; ADHD-RS = Attention-Deficit/Hyperactivity Disorder Rating Scale.