- In 2005, female adolescents accounted for about 44,600 of adolescent admissions (31 percent)
- Adolescent female admissions were less likely than adolescent male admissions to report marijuana as their primary substance of abuse (51 vs. 72 percent)
- Adolescent female admissions were more likely than their male counterparts to have a co-occurring psychiatric and substance abuse disorder (23 vs. 18 percent)