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Serious Mental Illness and Its Co-Occurrence with Substance Use Disorders

  • By: The Substance Abuse and Mental Health Services Administration
  • Date: June 2004
  • Priority Area: Integrating Mental Health and Substance Use Services
  • Type: Resources
  • Category: Report


This report presents information on the prevalence and treatment of serious mental illness and their association with substance use based on the 2002 National Survey on Drug Use and Health (NSDUH). The survey, formerly known as the National Household Survey on Drug Abuse (NHSDA), is a project of the Substance Abuse and Mental Health Services Administration.

NSDUH is an annual survey of the civilian, non-institutionalized population of the United States aged 12-years or older. Conducted by the Federal Government since 1971, it is the primary source of statistical information on the use of illegal drugs by the U.S. population. National estimates for the prevalence and treatment of serious mental illness are presented. The prevalence of treatment for substance use and mental health disorders among persons with serious mental illness and co-occurring substance use disorders also is examined by demographic, socioeconomic, and substance dependence or abuse characteristics. A link to the latest NSDUH data can be found in the Facts and Figures section of the NYSHealth Web resource center.

Read the report.