TABLE 2.
Outcome variables at baseline | Adjusted meansa (SE) | Adjusted means (SE) | Differences of adjusted meansb (SE) |
---|---|---|---|
Addiction severity | |||
Addiction Severity Index: Alcohol (Higher score = more severity in alcohol addiction) | 0.09 (0.02) | 0.09 (0.02) | 0.00 (0.02) |
Abstinence in past 30 days (%) | 63 | 68 | Ns |
Addiction Severity Index: Drug use (Higher score = more severity in drug addiction) | 0.12 (0.01) | 0.15 (0.01) | 0.03 (0.01)* |
Abstinence in past 30 days (%) | 41 | 32 | Ns |
Mental health symptoms | |||
Global Severity Index (Higher score = high severity of overall mental health problems) | 1.52 (0.08) | 1.47 (0.09) | −0.05 (0.09) |
Posttraumatic Symptom Scale (Higher score = more PTSD symptoms) | 25.31 (1.22) | 23.88 (1.47) | −1.43 (1.46) |
SE Standard error
aAdjusted means are least-squares means at baseline controlling for age, racial/ethnic groups, court-ordered participation of substance abuse or mental health services, modality, and living in restricted environment most of the time in past 30 days. The mixed model was used for this analysis
bComparison group vs intervention group
*p < 0.05