Table 1.
Baseline demographic and clinical characteristics by treatment assignment (Therapeutic Education System or Treatment-as-Usual) for all randomized patients (N=507)
| TOTAL N=507 |
Therapeutic Education Systema n=255 |
Treatment- as-Usuala n=252 |
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|---|---|---|---|---|---|---|
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|
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| Variable | n (%) or Mean (SD) | |||||
| Age (years) | 34.9 | (10.9) | 35.6 | (10.7) | 34.2 | (111) |
| Female (%) b | 192 | (37.9) | 91 | (35.7) | 101 | (40.1) |
| Race (%) c | ||||||
| White | 284 | (56.0) | 136 | (53.3) | 148 | (58.7) |
| Black/African American | 116 | (22.9) | 69 | (27.1) | 47 | (18.7) |
| American Indian/Alaska Native | 3 | (0.6) | 2 | (0.8) | 1 | (0.4) |
| Asian | 13 | (2.6) | 6 | (2.4) | 7 | (2.8) |
| Native Hawaiian/Pacific Islander | 12 | (2.4) | 7 | (2.7) | 5 | (2.0) |
| Multi-racial | 54 | (10.7) | 23 | (9.0) | 31 | (12.3) |
| Other | 23 | (4.5) | 10 | (3.9) | 13 | (5.2) |
| Hispanic/Latino (%) d | 55 | (10.8) | 26 | (10.2) | 29 | (11.5) |
| Education (%) | ||||||
| < High School Degree | 118 | (23.3) | 60 | (23.5) | 58 | (23.0) |
| High School Degree/GED | 310 | (61.1) | 161 | (63.1) | 149 | (59.1) |
| > High School Degree | 79 | (15.6) | 34 | (13.3) | 45 | (17.9) |
| Marital Status (%) | ||||||
| Single/Never Married | 308 | (60.7) | 148 | (58.0) | 160 | (63.5) |
| Married/Remarried | 72 | (14.2) | 36 | (14.1) | 36 | (14.3) |
| Separated/Divorced/Widowed | 127 | (25.0) | 71 | (27.8) | 56 | (22.2) |
| Underemployed (%) | ||||||
| (unemployed/irregular part-time) | 190 | (37.5) | 106 | (41.6) | 84 | (33.3) |
| Primary Substance (%) | ||||||
| Alcohol | 104 | (20.5) | 58 | (22.7) | 46 | (18.3) |
| Cocaine | 102 | (20.1) | 53 | (20.8) | 49 | (19.4) |
| Stimulants | 69 | (13.6) | 33 | (12.9) | 36 | (14.3) |
| Marijuana | 114 | (22.5) | 54 | (21.2) | 60 | (23.8) |
| Opiates | 108 | (21.3) | 49 | (19.2) | 59 | (23.4) |
| Other | 10 | (2.0) | 8 | (3.1) | 2 | (0.8) |
| Substance Dependence (%) e | ||||||
| Alcohol | 224 | (44.2) | 119 | (46.7) | 105 | (41.7) |
| Cocaine | 177 | (34.9) | 90 | (35.3) | 87 | (34.5) |
| Stimulants | 100 | (19.7) | 47 | (18.4) | 53 | (21.0) |
| Marijuana | 146 | (28.8) | 68 | (26.7) | 78 | (31.0) |
| Opiates | 158 | (31.2) | 78 | (30.6) | 80 | (31.7) |
| Other | 41 | (8.1) | 21 | (8.2) | 20 | (7.9) |
| Alcohol/Drug Use (past 30 days) | 9.8 | (9.4) | 10.2 | (8.9) | 9.4 | (9.8) |
| Abstinent, Baseline/Study Entry | 275 | (54.2) | 136 | (53.3) | 139 | (55.2) |
a
No statistically significant differences on demographic or clinical characteristics by intervention condition.
b
One participant elected not to report their gender.
c
Two participants elected not to report their race.
d
Four participants elected not to report their ethnicity.
e
Dependence was assessed using the DSM-IV Checklist, a semi-structured, interviewer-administered measure which provides a current (last year) substance use dependence diagnosis based on the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision criteria (40).