TABLE 1—
Prevalences of Early-Adolescent Substance Use Types and Young-Adult DSM-IV Substance Use Disorders, by Race and Nativity
| All (n = 942) | Non-Hispanic Whites (n = 259) | African Americans (n = 240) | US-Born Hispanics (n = 251) | Foreign-Born Hispanics (n = 192) | |
| % (SE) | % (SE) | % (SE) | % (SE) | % (SE) | |
| Drug use type—early adolescence | |||||
| Abstainer | 25.8 (1.5) | 19.1x (2.6) | 35.4y (3.4) | 18.3x (2.6) | 33.7z (3.7) |
| Experimenter | 46.5 (1.8) | 44.7 (3.3) | 50.0 (3.6) | 49.1 (3.4) | 41.6 (3.9) |
| Regular user | 27.7 (1.6) | 36.2 (3.1) | 14.6 (2.5) | 32.6 (3.2) | 24.7 (3.4) |
| DSM-IV disorders—young adulthood | |||||
| Alcohol abuse | 21.6 (1.4) | 26.1x (3.0) | 9.2y (2.1) | 26.7x (3.0) | 24.9x (3.3) |
| Alcohol dependence | 9.4 (1.0) | 15.2x (2.3) | 4.6y (1.4) | 5.6y (1.5) | 12.6x (2.6) |
| Marijuana abuse | 15.1 (1.3) | 19.8x (2.7) | 10.1y (2.1) | 17.9x (2.5) | 11.2y (2.4) |
| Marijuana dependence | 14.4 (1.2) | 14.4x (2.3) | 11.1x (2.3) | 17.1x (2.5) | 14.7x (2.6) |
| Any substance use disordera | 43.5 (1.8) | 52.8x (3.3) | 28.6y (3.2) | 47.3x (3.4) | 44.9x (4.0) |
Note. DSM-IV = Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition.18 Percentages followed by the same subscript (x, y, or z) were not significantly different from each other. Significance level for all comparisons was P < .01, except for drug use type between African Americans and foreign-born Hispanics (P < .05).
aAny substance use disorder consisted of at least 1 of the following: alcohol, marijuana, inhalants, cocaine, hallucinogens, heroin, sedatives, tranquilizers, stimulants, and analgesics. For marijuana dependence, African Americans differ from US-born Hispanics (P < .05).