Table 2.

Descriptive statistics of the overall adolescent sample (n=5,527).

	Mean (SD) or n (%)
Demographics
Age	15.6 (1.3)
Female	1,462 (26.5%)
White	2,854 (51.6%)
Black	758 (13.7%)
Hispanic	1,217 (22.0%)
Other	697 (12.6%)
Substance Use
Prior substance use treatment	1,478 (26.8%)
Days of substance use, past 90 days	10.4 (11.7)
Substance Problem Scale, past year [Range: 0–16]	6.5 (4.4)
Substance Dependence Scale, past year [Range: 0–7]	2.4 (2.2)
Treatment Motivation Index [Range: 0–5]	1.8 (1.3)
Does not recognize substance use problems	645 (11.7%)
Legal (past 90 days)
Criminal justice system involvement	2,836 (51.3%)
Spent time in controlled environment	1,817 (32.9%)
Arrested	1,183 (21.4%)
Crime Violence Scale [Range: 0–31]	6.5 (5.3)
Mental Health (past 90 days)
Days affected by emotional problems	19.8 (16.8)
Behavior Complexity Scale [Range: 0–33]	10.1 (7.9)