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Wednesday, April 16, 2008

Substance Use and Dependence Following Initiation of Alcohol or Illicit Drug Use

Highlights:

  • Alcohol and illicit drug dependence were defined in SAMHSA's National Survey on Drug Use and Health using the DSM-IV diagnostic criteria which includes such symptoms as withdrawal, tolerance, unsuccessful attempts to cut down on use, and continued use despite health and emotional problems caused by the substance.
  • Based on SAMHSA's National Survey on Drug Use and Health, 3.2% of the persons aged 12 or older who first used alcohol 13 to 24 months prior to the survey interview were dependent on alcohol in the past 12 months.
  • Of the persons aged 12 or older who first used marijuana 13 to 24 months prior to the survey interview, 5.8% were dependent on marijuana in the past year.
  • Among new users of crack cocaine in the 13 to 24 months prior to the survey interview, 9.2% were dependent on any type of cocaine in the past year.
  • Of the new users of heroin in the 13 to 24 months prior to the survey interview, 13.4% were dependent on heroin in the past year.

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