Measures included the Youth Self - Report of the Child Behavior Checklist, as well as the Form 90 Interview, which was the primary measure of quantity -
frequency of adolescent substance use, yielding the total percent days, in the last 90, of all alcohol and drug use.
Measures included the Youth Self - Report of the Child Behavior Checklist (CBCL), as well as the Form 90 interview, which was the primary measure of quantity -
frequency of adolescent substance use, yielding the total percent days, in the last 90, of all alcohol and drug use.
Substance use disorders emerged in middle adolescence and increased in frequency through the middle 20s, becoming by far the most common psychiatric problems reported by the study participants.26, 27 We have already shown that early conduct problems predicted the onset of adolescent substance use disorders in this sample, 28,29 and it is not surprising that this is the aspect of behavioral problems that showed the intervention effect in young a
Substance use disorders emerged in middle adolescence and increased in
frequency through the middle 20s, becoming by far the most common psychiatric problems reported by the study participants.26, 27 We have already shown that early conduct problems predicted the onset
of adolescent substance use disorders in this sample, 28,29 and it is not surprising that this is the aspect of behavioral problems that showed the intervention effect in young a
substance use disorders in this sample, 28,29 and it is not surprising that this is the aspect
of behavioral problems that showed the intervention effect in young adulthood.
Similarly, the
frequencies of adolescents» cigarette
use, heavy episodic drinking, and marijuana
use were strongly related to the proportion
of their friends who
used illegal
substances.