Table 2.
Prevalence of specific personality disorders, conduct disorder, and ADHD in adolescents with SUD (N = 153)
| Personality disorder (PD) | Boys with SUD (N = 10) |
Boys without SUD (N = 49) |
χ2 | p valuea | Girls with SUD (N = 18) |
Girls without SUD (N = 76) |
χ2 | p valuea |
|---|---|---|---|---|---|---|---|---|
| Paranoid | 0 | 0 | – | – | 0 | 0 | – | – |
| Schizoid | 0 | 1 | 0.183 | 1.000 | 0 | 0 | – | – |
| Schizotypal | 0 | 0 | – | – | 0 | 0 | – | – |
| Antisocial | 1 | 1 | 1.606 | 0.313 | 1 | 2 | 4.519 | 0.093 |
| Borderline | 1 | 0 | 4.984 | 0.169 | 4 | 3 | 7.052 | 0.024 |
| Histrionic | 0 | 0 | – | – | 2 | 3 | 1.483 | 0.243 |
| Narcissistic | 0 | 0 | – | – | 0 | 1 | 0.239 | 1.000 |
| Avoidant | 0 | 3 | 0.645 | 0.638 | 1 | 5 | 0.026 | 1.000 |
| Dependent | 0 | 0 | – | – | 0 | 1 | 0.239 | 1.000 |
| Obsessive–compulsive | 0 | 0 | – | – | 0 | 6 | 1.518 | 0.350 |
| Self-defeating | 0 | 0 | – | – | 0 | 0 | – | – |
| Depressive | 0 | 2 | 0.422 | 1.000 | 2 | 6 | 0.193 | 1.000 |
| Negativistic | 0 | 0 | – | – | 2 | 0 | 8.628 | 0.035 |
| At least one PD | 1 | 7 | 0.130 | 1.000 | 7 | 18 | 1.723 | 0.237 |
| More than one PD | 1 | 0 | 4.984 | 0.169 | 5 | 5 | 6.880 | 0.020 |
| Conduct disorder | 4 | 8 | 2.873 | 0.189 | 8 | 7 | 13.472 | 0.001 |
| ADHD | 2 | 7 | 0.210 | 1.000 | 8 | 4 | 20.062 | <0.001 |
SUD substance use disorders: alcohol and/or drug abuse or dependence
ap values from exact Chi square tests