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Receipt of Services among Adults in the US with Co-Occurring Mental Illness and a Substance Use Disorder

"An estimated 8.2 million adults aged 18 or older in 2016 had co‑occurring AMI [Any Mental Illness] and an SUD [Substance Use Disorder] in the past year, corresponding to 3.4 percent of all adults. In addition, about 2.6 million adults had SMI and an SUD in the past year, representing 1.1 percent of all adults.1

Federal Survey Definitions of Dependence, Abuse, and Drug Use Disorder

"Illicit drug use disorder is defined as meeting DSM-IV criteria for either dependence or abuse for one or more of the following illicit drugs: marijuana, cocaine, heroin, hallucinogens, inhalants, methamphetamine, or prescription psychotherapeutic drugs that were misused (i.e., stimulants, tranquilizers or sedatives, and pain relievers).44 There are seven possible dependence criteria for specific illicit drugs:

NSDUH's Method For Estimating Prevalence Of "Illicit Drug Use Disorders" In The US

"Illicit drug use disorder is defined as meeting DSM-IV criteria for either dependence or abuse for one or more of the following illicit drugs: marijuana, cocaine, heroin, hallucinogens, inhalants, methamphetamine, or prescription psychotherapeutic drugs that were misused (i.e., pain relievers, tranquilizers, stimulants, and sedatives). There are seven possible dependence criteria for specific illicit drugs:

Current Marijuana and Other Substance Use and Trends in the US

"Among people aged 12 or older in 2019, 60.1 percent (or 165.4 million people) used a substance (i.e., tobacco, alcohol, kratom, or an illicit drug) in the past month. In particular, 50.8 percent (or 139.7 million people) drank alcohol in the past month, 21.1 percent (or 58.1 million people) used a tobacco product in the past month, and 13.0 percent (or 35.8 million people) used an illicit drug in the past month. In addition, 0.3 percent (or 825,000 people) used kratom in the past month."

Prevalence of Illegal Drug Use in the US Among People Aged 12 or Older

"• Among people aged 12 or older, the percentage who were past year marijuana users increased from 11.0 percent (or 25.8 million people) in 2002 to 17.5 percent (or 48.2 million people) in 2019. Over this same period, the percentage who were past year cocaine users decreased
from 2.5 percent (or 5.9 million people) to 2.0 percent (or 5.5 million people).

Estimated Unmet Treatment Need in the US, 2010-2013

"• In 2013, among the 20.2 million persons aged 12 or older who were classified as needing substance use treatment but not receiving treatment at a specialty facility in the past year, 908,000 persons (4.5 percent) reported that they perceived a need for treatment for their illicit drug or alcohol use problem (Figure 7.10). Of these 908,000 persons who felt they needed treatment but did not receive treatment in 2013, 316,000 (34.8 percent) reported that they made an effort to get treatment, and 592,000 (65.2 percent) reported making no effort to get treatment.

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