Table 1.
Participant Characteristics at Baseline.
| TA (N=82) | CU (N=28) | |||||
|---|---|---|---|---|---|---|
| M (%) | SD | M (%) | SD | t (χ2) | p | |
| Gender | ||||||
| Male | 67% | -- | 60% | -- | 0.37 | .54 |
| Psych dx | ||||||
| Present | 54% | -- | 53% | -- | 0.60 | .44 |
| Race | ||||||
| Caucasian | 87% | -- | 89% | -- | 0.14 | .71 |
| Age | 16.44 | 1.15 | 17.04 | 1.35 | −2.80 | .02 |
| SES | 40.56 | 13.67 | 41.46 | 9.95 | −0.37 | .71 |
| # abu/dep sx | 1.55 | 2.02 | 2.0 | 1.44 | −2.55 | .01 |
| # other drugs | 3.85 | 2.20 | 5.23 | 2.58 | −2.78 | .01 |
| Motivation | 8.30 | 2.60 | 4.39 | 2.87 | 7.03 | <.001 |
| Difficulty | 3.08 | 2.70 | 4.61 | 3.29 | −2.22 | .03 |
| Confidence | 8.24 | 2.72 | 4.39 | 2.87 | 6.35 | <.001 |
| SOC | 3.62 | 0.85 | 2.07 | 1.05 | 7.02 | <.001 |
| RR | 6.72 | 3.47 | 5.73 | 3.22 | −1.30 | .20 |
| DDD | 3.02 | 4.64 | 6.05 | 4.16 | −3.06 | .003 |
| Binge days | 0.56 | 1.17 | 2.92 | 5.81 | −6.95 | <.001 |
| PDA | 77% | 33% | 27% | 31% | 7.12 | <.001 |
Note. N=110. Psych dx includes major depressive disorder, Dysthymia, Attention Deficit Hyperactivity Disorder, generalized anxiety disorder, conduct disorder, and oppositional defiant disorder based on DSM-IV criteria. SES = socioeconomic status, measured according to Hollingshead (1975); # abuse/dep sx = number of DSM-IV alcohol abuse and dependence symptoms; # drugs used in the past 6 months, out of a max of 12; Motivation = motivation to abstain in the coming month; Difficulty = perceived difficulty in abstaining in the coming month; Confidence = confidence in ability to abstain in the coming month. SOC = stage of change. RR = Readiness Ruler (Miller, 1999). DDD = drinks per drinking day; PDA = percent days abstinent.