Table 1.
Adolescent Alcohol and Drug Treatment Sample: Demographics, Diagnosis and Use Patterns at Study Intake (n=153).
| Sex | |
| Male | 58% |
| Female | 42% |
| Age | |
| Mean | 15.9 (SD = 1.3) |
| Range | 13.0 –18.0 |
| Ethnicity | |
| Caucasian | 74% |
| Hispanic-American | 6% |
| African-American | 5% |
| Other/Mixed | 15% |
| Socioeconomic Status | |
| Hollingshead Index Mean | 29.9 (SD = 12.6) – Middle class |
| Lifetime Substance Use | |
| Alcohol | 100% |
| Marijuana | 99% |
| Amphetamine | 95% |
| Cocaine | 73% |
| Hallucinogens | 69% |
| Inhalants | 44% |
| Barbiturates | 20% |
| Opiate | 17% |
| Lifetime Substance Dependence diagnoses (DSM-IV) | |
| Alcohol | 61% |
| Marijuana | 59% |
| Stimulant | 52% |
| Hallucinogen | 10% |
| Barbiturate | 1% |
| Inhalants | 1% |
| Opiate | 0% |
Note: Diagnosis was determined by CDDR interviews with teen and parent/guardian. Other ethnicity included Asian-American/Pacific Islanders, Native Americans, and those who self-identified as Other or mixed background.