TABLE 2.
Baseline Characteristics of Original Adolescent Sample (1999) and Adult Participants Remaining at 87-Month Follow-Up (2007): Los Angeles, CA
| Baseline Sample, No. (%) | 87-Month Follow-Up, No. (%) | |
| Total | 449 (100) | 395 (100) |
| Female gender | 57 (12.7) | 54 (13.7) |
| Race/ethnicity | ||
| Latino/Hispanic | 248 (55.2) | 211 (53.4) |
| Black/African American | 66 (14.7) | 62 (15.7) |
| White | 72 (16.0) | 64 (16.2) |
| Other | 63 (14.0) | 58 (14.7) |
| Age, y | ||
| 13 | 30 (6.7) | 26 (6.6) |
| 14 | 65 (14.5) | 58 (14.7) |
| 15 | 98 (21.8) | 88 (22.3) |
| 16 | 157 (35.0) | 140 (35.4) |
| 17 | 99 (22.0) | 83 (21.0) |
| Self-reported criminal behavior (previous year) | ||
| Vandalism | 116 (25.8) | 104 (26.3) |
| Forgery | 15 (3.3) | 13 (3.3) |
| Larceny-theft (from a store) | 153 (34.1) | 139 (35.2) |
| Larceny-theft (not from a store) | 90 (20.0) | 85 (21.5) |
| Burglary | 49 (10.9) | 46 (11.6) |
| Car theft | 60 (13.4) | 53 (13.4) |
| Robbery | 28 (6.2) | 24 (6.1) |
| Simple assault | 203 (45.2) | 182 (46.1) |
| Aggravated assault | 74 (16.5) | 68 (17.2) |
| Armed robbery | 20 (4.5) | 19 (4.8) |
| Rape | 3 (0.7) | 3 (0.8) |
| Murder | 10 (2.2) | 10 (2.5) |
| Arson | 16 (3.6) | 13 (3.3) |
| DUI | 46 (10.2) | 40 (10.1) |
| Drug sales | 114 (25.4) | 103 (26.1) |
| Prostitution | 10 (2.2) | 10 (2.5) |
| Other | 61 (13.6) | 57 (14.4) |
| Previous probation, parole, jail, or detention | 326 (72.6) | 284 (71.9) |
| Mental-health and substance-use disorders (previous year) | ||
| Depressive symptoms | 130 (29.0) | 116 (29.4) |
| Conduct-disorder symptomsa | 293 (65.3) | 260 (65.8) |
| ADHD symptoms | 208 (46.3) | 187 (47.3) |
| Substance-dependence symptoms | 221 (49.2) | 195 (49.4) |
| Substance-abuse symptoms | 108 (24.1) | 95 (24.1) |
| Substance use (previous year) | ||
| Tobacco use | 314 (69.9) | 279 (70.6) |
| Alcohol use until drunk | 344 (76.6) | 304 (77.0) |
| Illegal drug use | 385 (85.7) | 341 (86.3) |
| Hard drug use | 256 (57.0) | 230 (58.2) |
| Given birth to or fathered a child | 31 (6.9) | 28 (7.1) |
Note. DUI = driving under the influence (of alcohol); ADHD = attention-deficit hyperactivity disorder.
a
Reporting 3 or more of 15 symptoms Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition conduct disorder.