Table 1.
Baseline characteristics of the 2,870 youth in the analytic sample, summarized across the 10 imputed datasets used in the analysis.
| Baseline Variable | Mean | SD | Range | Clinical Cut Pointsb |
|---|---|---|---|---|
| Female | 24% | -- | -- | -- |
| Race/ethnicity | ||||
| White | 57% | -- | -- | -- |
| Black | 17% | -- | -- | -- |
| Hispanic | 13% | -- | -- | -- |
| Other | 13% | -- | -- | -- |
| Age | 16.0 | -- | ||
| Substance Frequency Scale (past 90 days) | 16.2 | 15.8 | (0,78.8) | 0 / 9-12 / 13-90 |
| Substance Problem Scale (past month) | 3.8 | 4.2 | (0,16) | 0 / 1-9 / 10-16 |
| Substance Problem Scale (past year) | 8.2 | 4.7 | (0,16) | 0 / 1-9 / 10-16 |
| Emotional Problem Scale (past 90 days) | 0.3 | 0.2 | (0,1) | 0-0.13 / 0.14-0.50 / 0.51-1 |
| Days in a controlled environmenta | 14.0 | 24.6 | (0,90) | -- |
a
Includes time spent in residential treatment settings, hospitals, or jail.
b
Clinical cut points for Table 1 come from Dennis et al (2010).