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Age of First Use among Substance Abuse Treatment Admissions for Drugs: 1993 & 2003

 

The DASIS Report: Age of First Use among Admissions for Drugs: 1993 & 2003

Highlights:

  • Among substance abuse treatment admissions whose earliest reported drug of abuse at admission was stimulants, opiates, or cocaine, the average age of first use rose between 1993 and 2003: for stimulants from age 18.5 to age 19.7; for opiates from age 21.0 to age 22.1; and for cocaine from age 22.5 to age 22.7. 
  • For marijuana, however, it decreased. The average age of first use among substance abuse treatment admissions whose earliest reported drug of abuse was marijuana, however, decreased from age 15.1 in 1993 to age 14.6 in 2003.
  • While the average age at first use of any drug remained the same or decreased between 1993 and 2003 for all age groups, the percentage of substance abuse treatment admissions starting drug use before age 13 increased for all age groups except those age 18-24 at treatment admission.
  • Criminal justice was the only admissions referral source that had a decrease in the average age of first use of any illicit drug. The average age of first use of any illicit drug decreased from age 17.6 in 1993 to age 16.8 in 2003.

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This Short Report, The DASIS Report: Age of First Use among Admissions for Drugs: 1993 & 2003, is based on the Drug and Alcohol Services Information System (DASIS), the primary source of national data on substance abuse treatment.  DASIS is conducted by the Office of Applied Studies (OAS) in the Substance Abuse and Mental Health Services Administration (SAMHSA).  

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This page was last updated onMarch 17, 2006.

SAMHSA, an agency in the Department of Health and Human Services, is the Federal Government's lead agency for improving the quality and availability of substance abuse prevention, addiction treatment, and mental health services in the United States.

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