Table 3.
Impairment rates for youth meeting criteria for past-year disorders, Waves 6 and 8
| Wave 6 (n = 592)
|
Wave 8 (n = 524)
|
|||||
|---|---|---|---|---|---|---|
| n | Intermediatea | Severe | n | Intermediatea | Severe | |
| Alcohol/substance use disorders | ||||||
| Alcohol abuse | 100 | 34.0 % | 39.0 % | 80 | 33.8 % | 21.3 % |
| Alcohol dependence | 31 | 35.5 | 41.9 | 22 | 45.5 | 40.9 |
| Nicotine dependence | 47 | 23.4 | 19.1 | 26 | 30.8 | 7.7 |
| Marijuana abuse | 37 | 21.6 | 24.3 | 21 | 28.6 | 23.8 |
| Marijuana dependence | 59 | 33.9 | 39.0 | 39 | 23.1 | 23.1 |
| Other substance abuse | 0 | 0.0 | 0.0 | 0 | 0.0 | 0.0 |
| Other substance dependence | 6 | 33.3 | 50.0 | 7 | 42.9 | 28.6 |
| Generalized anxiety disorder | 2 | 0.0 | 100.0 | 4 | 25.0 | 75.0 |
| Mood disorders | ||||||
| Major depressive disorder | 27 | 40.7 | 48.1 | 8 | 37.5 | 62.5 |
| Dysthymic disorder | 2 | 50.0 | 50.0 | 3 | 66.7 | 0.0 |
| Attention deficit/hyperactivity and disruptive behavior disorders | ||||||
| Attention deficit/hyperactivity disorder | ||||||
| Inattention | 8 | 50.0 | 25.0 | 4 | 0.0 | 100.0 |
| Hyperactivity | 8 | 12.5 | 62.5 | 4 | 50.0 | 25.0 |
| Conduct disorder | 53 | 37.7 | 34.0 | 5 | 20.0 | 20.0 |
| Oppositional defiant disorder | 21 | 42.9 | 47.6 | 7 | 57.1 | 42.9 |
| At least one disorder | 202 | 62.9 | 56.4 | 147 | 53.1 | 38.1 |
| Two or more disorders | 99 | 77.8 | 65.7 | 59 | 57.6 | 59.3 |
a
Adolescents meeting criteria for both intermediate and severe impairments only appear in the severe count for individual disorders (not including at least one and two or more disorders)