Table I.
Mean (SD) values of composite outcomea by treatment at baseline and 14-month follow-up
| Treatment | Baseline | 14 months |
|---|---|---|
| Behavior therapy | 0.108 (1.190) | −1.421 (1.471) |
| Medication management | 0.078 (1.229) | −1.820 (1.611) |
| Combinedb | −0.122 (1.137) | −2.234 (1.349) |
|
| ||
| Community care | −0.062 (1.099) | −1.285 (1.360) |
a
The average of mean z scores of items with loadings of >0.40 on two factors resulting from principal component factor analysis of 19 outcome variables. All scores were computed in a negative direction, with a lower score indicating a reduction in symptoms from baseline (improvement).[15]
b
Combination of stimulant medication and behavioral interventions.