Skip to main content
. Author manuscript; available in PMC: 2009 Sep 1.
Published in final edited form as: J Adolesc Health. 2008 Sep;43(3):296–305. doi: 10.1016/j.jadohealth.2008.06.002

Table 4.

Percentage of young people who had experienced signs of drug dependence in the past three months by site and status

Melbourne Los Angeles
Dependency questions Experienced New Experienced New
Ever tried to cut down? S*T* 68.2 47.9 55.5 45.2
Ever needed larger amounts to get some effect? S*T* 62.5 40.0 44.3 22.3
Felt you needed or were dependent? S*T* 57.1 31.5 33.9 20.8
Ever had withdrawal symptoms? S*T* 58.1 33.3 34.7 13.5
Mean score (0–4) S*T* 2.46 1.53 1.68 1.02
S

significant main effect of site

T

significant main effect of type

*

p<.001