Table 1.
Characteristics of the sample
| Characteristic | N = 50 |
|---|---|
| Age (Mean ± SD) | 16.83 ± 1.32 |
| IQ (Mean ± SD) | 95.70 ± 6.47 |
| SES (N)a | 20/18/12 |
| YPI—Affective (Mean ± SD) | 34.04 ± 8.89 |
| YPI—Interpersonal (Mean ± SD) | 35.08 ± 10.57 |
| YPI—Behavioral (Mean ± SD) | 32.56 ± 8.01 |
| YPI—Total (Mean ± SD) | 101.68 ± 24.41 |
| RPQ (Mean ± SD) | 18.02 ± 9.88 |
| BES (Mean ± SD) | 64.82 ± 10.46 |
| YSR—Externalizing (Mean ± SD) | 14.08 ± 9.08 |
| YSR—Internalizing (Mean ± SD) | 6.35 ± 4.47 |
| Substance use (N)b | 18/11/21 |
| Comorbid ADHD (N) | 11 |
IQ = Intelligence quotient; SES = Socioeconomic status; YPI = Youth Psychopathic Traits Inventory; RPQ = Reactive‐Proactive Aggression Questionnaire; BES = Basic Empathy Scale; SRS = Social Responsiveness Scale; YSR = Youth Self‐report; ADHD = Attention Deficit Hyperactivity Disorder.
a
SES (Low/Middle/High).
b
Substance use in the past month (Never‐Rarely/Occasionally/Very Frequently).