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  Mental Health & Substance Abuse
Comorbidity/Co-occurring Disorders/ Dual Diagnosis

In 2001, for the first time, SAMHSA provided state-level estimates of serious mental illness, including maps showing the prevalence ranks by States.  In 2001, the States with the highest rates of serious mental illness among adults age 18 and older were mostly in the South.  However, Okalahoma had the highest rate and Hawaii had the lowest rate of serious mental illness among adults. See 2001 State Estimates of Substance Use and Serious Mental Illness. The latest available national data on serious mental illness are for 2003 and the latest State level data are for 2002. See Serious Mental Illness Among Adults by State, 2002

2003: Prevalence and Treatment of Mental Health Problems

Table of Data on Serious Mental Illness Among Adults by State, 2002

Serious Mental Illness and Its Co-Occurrence with Substance Use Disorders, 2002

bulletData Tables

bulletFull Reports/Chapters

bulletState Level Data

bulletHighlights of Short Reports on Mental Health Issues:

bulletYouth and Mental Health Issues

bulletMental Health Objectives in Healthy People 2010

bulletAnalyzing mental health data in SAMHSA's OAS data sets

bulletSAMHSA's National Mental Health Information Center

Full Reports & Chapters on Mental Health
  • For State-level estimates of rates of serious mental illness, see

  • 2002 National Survey on Drug Use & Health:
 

State Level Reports & Chapters on Mental Health

   

2002 Detailed Tables:  National Data on Mental Illness 

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2002 National Survey on Drug Use & Health Detailed Tables:

Table of Data on Serious Mental Illness Among Adults by State, 2002

 

Highlights of Reports on Treatment and Mental Health Issues

 
  • Based on SAMHSA's 2002 National Survey on Drug Use and Health, nearly 2 million women aged 18 or older were estimated to have both serious mental illness (SMI) and a substance use disorder during the past year. Women with co-occurring SMI and a substance use disorder were more likely than men with co-occurring SMI and a substance use disorder to have received treatment for a mental disorder and/or specialty substance use treatment during the past year. See  The NSDUH Report:  Women with Co-Occurring Serious Mental Illness and a Substance Use Disorder
  • SAMHSA's 2002 National Survey on Drug Use and Health found that 17.5 million adults aged 18 or older (8%) were estimated to have a serious mental illness in the past year. About 4 million of the adults with a serious mental illness in 2002 also were dependent on or abused alcohol or an illicit drug; that is, they had a co-occurring substance abuse and mental disorder. More than half of the adults with co-occurring serious mental illness and a substance use disorder received neither specialty substance use treatment nor mental health treatment during the past year. Among adults with co-occurring disorders, 34% received mental health treatment only, 2% received specialty substance use treatment only, and 12% received both mental health and specialty substance use treatment during the past year. See The NSDUH Report:  Adults with Co-Occurring Serious Mental Illness and a Substance Use Disorder
  • Between 1995 and 2001, the proportion of substance abuse treatment admissions with co-occurring substance abuse and psychiatric disorders reported to SAMHSA's Treatment Episode Data Set (TEDS) increased from 12% to 16%. The proportion of females among admissions with co-occurring disorders increased from 38% to 44%, while remaining stable at about 30% among all other admissions. The proportion of admissions reporting alcohol as the primary substance of abuse decreased for both admissions with co-occurring disorders (from 51% to 45%) and all other admissions (from 45% to 38%). However, primary use of opiates increased for admissions with co-occurring disorders (from 13% to 21%) while remaining stable for all other admissions at 25%. See The DASIS Report:  Admissions with Co-Occurring Disorders,  1995 and 2001.
  • Although mental disorders account for 4 of the 10 leading causes of disability in the U.S., SAMHSA's Survey on Drug Use and Health found that less than half of adults (age 18 and older) with a serious mental illness received treatment or counseling for a mental health problem during the past year.  More than 2 million adults with a serious mental illness reported that they did not receive treatment.   Cost of treatment was the primary reason for not getting mental health treatment. Other reasons included concerns about stigma, not knowing where to go for treatment, fear of being committed or having to take medicine, and lack of time or transportation.  See The NSDUH Report:  Reasons for Not Receiving Treatment Among Adults with Serious Mental Illness.
  • Based on SAMHSA's National Survey of Substance Abuse Treatment Services (N-SSATS), facilities with a specially designed treatment program were likely to offer related services.  For example, those with a specially designed treatment program or group for clients with co-occurring substance abuse and mental health disorders were likely to offer mental health assessment and pharmacotherapy; those  for pregnant women were likely to provide social services, child care assistance, and domestic violence education; and those for persons with HIV/AIDS to provide testing services, e.g., for HIV, TB, hepatitis, and STD.  See The DASIS Report:  Services Provided by Substance Abuse Treatment Facilities.
  • Co-occurring disorders admissions were less likely to be in the labor force than substance abuse only admissions (47 percent vs. 58 percent).   Co-occurring disorders admissions to substance abuse treatment were more likely to have been referred through alcohol, drug abuse, and other health care providers.  In contrast,  substance abuse only admissions  were more likely to have been referred to treatment by the criminal justice system.  See The DASIS Report:  Admissions of Persons with Co-Occurring Disorders,  2000.
  • Nationally, 61 percent of substance abuse treatment facilities focused on substance abuse treatment services, 25 percent on a mix of mental health and substance abuse treatment services, and 9 percent on mental health services, and 5 percent on general health care or other services.  See The DASIS Report: Primary Focus of Facilities Treating Substance Abuse.
 

Highlights of Reports on Prevalence of Mental Illness

  • Based on SAMHSA's 2002 National Survey on Drug Use and Health, nearly 2 million women aged 18 or older were estimated to have both serious mental illness (SMI) and a substance use disorder during the past year. Women with co-occurring SMI and a substance use disorder were more likely than men with co-occurring SMI and a substance use disorder to have received treatment for a mental disorder and/or specialty substance use treatment during the past year. See  The NSDUH Report:  Women with Co-Occurring Serious Mental Illness and a Substance Use Disorder
  • Based on SAMHSA's National Survey on Drug Use and Health, in 2002, there were 17.5 million adults aged 18 or older with serious mental illness (SMI) during the 12 months prior to being interviewed. This represents 8.3% of all adults in the United States. On average, adults with SMI were younger, less educated, and more likely to be female than adults without SMI.  The two racial/ethnic groups with the highest prevalence of SMI were those reporting more than one race (13.6%) and American Indians and Alaska Natives (12.5%).  The prevalence of SMI was more than twice as high among those who used an illicit drug during the past year than it was among those who did not (17.1 vs. 6.9%). This relationship was observed across most demographic and socioeconomic subgroups and across most types of illicit drugs used.  In 2002, there were 5 million adults aged 18 or older who had SMI and used an illicit drug in the past year; this represented 28.9% of all persons with SMI.  See Serious Mental Illness and Its Co-Occurrence with Substance Use Disorders, 2002. 
  • For the first time, SAMHSA's National Household Survey on Drug Abuse provides state-level estimates of serious mental illness and includes maps showing the prevalence ranks by States.  The States with the highest rates of serious mental illness among adults age 18 and older were mostly in the South.  However, Okalahoma had the highest rate and Hawaii had the lowest rate of serious mental illness among adults.  Also, State-level data and the average yearly change between 1999 and 2001 are presented for 18 measures of substance use, dependence, and treatment.  See 2001 State Estimates of Substance Use.
  • In 2000, Hispanic females aged 12 to 17 were at higher risk for suicide than other youths.  Rates of suicide risk were similar among Hispanic female youths across regions and ethnic subgroups (e.g., Mexican, Puerto Rican, Central or South American and Cuban).  Only 32 percent of Hispanic female youths at risk for suicide during the past year, however, received mental health treatment during this same time period. See The NHSDA Report:  Risk of Suicide Among Hispanic Females Aged 12 to 17.
  • In 2001, an estimated 15.9 million Americans age 12 years or older used an illicit drug in the month immediately prior to the survey interview.  About 10.1 million persons age 12 to 20 years  reported current alcohol use, i.e., were underage drinkers.  In the 12 months preceding the interview in 2001, an estimated 3.1 million persons age 12 or older received some kind of treatment for a problem related to the use of alcohol or illicit drugs; of these, 1.6 million received treatment at a self-help group.  In 2001, there were an estimated 14.8 million adults age 18 or older with a serious mental illness; an estimated 3 million had both a serious mental illness and substance abuse or dependence problems during the year.  See  2001 National Household Survey on Drug Abuse.

Youth & Mental Health Issues

 

  • Among youths aged 12 to 17, those aged 14 or 15 reported higher rates than those younger or older for the following violent behaviors:  serious fighting at school or work, group-against-group fights, and attacking others with the intent of seriously hurting them. See The NHSDA Report:  Youth Violence and Substance Use,  2001 Update.

 

Data Tables on Mental Health Issues

Also see:  Detailed Tables - - Prevalence and Treatment of Mental Health Problems:  Results from 2002 National Survey on Drug Use & Health
  • Mental Health Data Tables, 2001 NHSDA - - Number & percent with serious mental illness and receiving specific types of mental health treatment/counseling by age groups and socioeconomic demographics and geographic variables  (Adults Tables H.71 - H.80; Youth Tables H.81-H85).
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This page was last updated on September 16, 2004.

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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