Table 1.
Demographic characteristics of sample by diagnostic group
| ADHD-C |
Control |
|||
|---|---|---|---|---|
| Demographic Characteristic | Mean | SD | Mean | SD |
| Age (years) | 17.25 | 0.99 | 17.09 | 0.89 |
| Childhood ADHD Symptom Severity (total score) | 26.00 | 15.90 | 12.67 | 5.94 |
| Days Per Week Driven (number) | 5.36 | 2.128 | 5.62 | 1.69 |
| Time Since Permit (days) | 606.73 | 330.98 | 665.38 | 347.57 |
| Frequency | Percent | Frequency | Percent | |
| Gender | ||||
| Male | 12 | 75.00 | 14 | 77.78 |
| Female | 4 | 25.00 | 4 | 22.22 |
| Ethnicity | ||||
| Caucasian | 14 | 87.50 | 15 | 83.33 |
| Minority | 2 | 12.50 | 3 | 16.67 |
Note. Bold indicates p < 0.05. ADHD symptoms are teen self-report of childhood behavior (ages 5–12).