Table 1.
Participant characteristics
| Child characteristics | ||
|---|---|---|
| Variable | Mean (SD) | % |
| Age (years) | 8.06 (1.2) | |
| Sex (Male) (n=66) | 71 | |
| WISC-III verbal (Scaled score) | 11.20 (3.9) | |
| WISC-III performance (Scaled score) | 9.61 (3.8) | |
| Race/Ethnicity | ||
| Caucasian | 36.2 | |
| African-American | 40.6 | |
| Hispanic | 4.3 | |
| Native American | 1.4 | |
| Mixed | 7.2 | |
| Other | 1.4 | |
| Refused | 8.7 | |
| ADHD diagnosis | ||
| Combined type | 78.9 | |
| Inattentive type | 15.5 | |
| Hyperactive/Impulsive type | 5.6 | |
| Comorbidity | ||
| Oppositional defiant disorder | 47.9 | |
| Conduct disorder | 19.7 | |
| Medication status | ||
| On medication | 65.7 | |
| Mother characteristics | ||
| Age | 38.6 (6.1) | |
| Marital status (n=66) | ||
| Married | 71 | |
| Divorced/Separated/Other | 29 | |
| Education level (n=66) | ||
| High school | 24.2 | |
| Some college/Associate s degree | 10.6 | |
| Bachelor’s or graduate degree | 65.2 | |
| Family income (n=59) | ||
| 0–40,000 | 16.9 | |
| 40,001–70,000 | 23.7 | |
| 70,001–100,000 | 27.1 | |
| >100,000 | 32.2 | |
| Race/Ethnicity | ||
| Caucasian | 45.6 | |
| African American | 45.6 | |
| Hispanic | 7.4 | |
| Other | 1.5 |
n=70 unless indicated. WISC-III Weschler intelligence scale for children, Third Edition; ADHD Attention-deficit/hyperactivity disorder; ODD Oppositional defiant disorder; CD Conduct disorder