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. Author manuscript; available in PMC: 2011 Jul 1.
Published in final edited form as: Drug Alcohol Depend. 2010 Mar 9;110(1-2):38–43. doi: 10.1016/j.drugalcdep.2010.01.016

Table 2.

Past year substance use and dependence symptoms

N Percent
Alcohol use 173 93%
Any alcohol dependence symptoms 72 39%
Alcohol dependence syndromea 29 16%
Marijuana use 80 43%
Any marijuana dependence symptoms 25 13%
Marijuana dependence syndromea 12 6%
Cocaine use 33 18%
Any cocaine dependence symptoms 9 5%
Cocaine dependence syndromea 6 3%
Prescription drugb use 27 14%
Any prescription drug dependence symptoms 7 4%
Prescription drug dependence syndromea 5 3%
Total 187
a

Three or more symptoms

b

Sedatives, tranquilizers, or prescription pain relievers