prevalence

Estimated Prevalence of Drug Use Disorder in the United States

"In 2012–2013, the NESARC-III [National Epidemiologic Survey on Alcohol and Related Conditions–III], a large national survey of US adults, assessed 12-month and lifetime disorders, including DUDs, diagnosed according to the new DSM-5. The NESARC-III used rigorous survey and field methods and incorporated measures of functioning and detailed assessments of treatment use. The NESARC-III results indicate that the prevalence rates of 12-month and lifetime DSM-5 DUD were 3.9% and 9.9%, respectively, representing approximately 9,131,250 and 23,310,135 US adults, respectively.

Prevalence and Trends in Marijuana Use Rates in Colorado Before and After Amendment 64

Total US
According to the National Survey on Drug Use and Health (NSDUH), in 2008-2009, an estimated 13.37% of young people in the US aged 12 through 17 had used marijuana in the past year, falling to 12.29% in 2015-2016. The NSDUH also estimates that, in 2008-2009, an estimated 7.03% of young people in the US aged 12 through 17 had used marijuana in the past month, dropping to 6.75% in 2015-2016.

Mental Illness Among Adults in the US

"In 2016, an estimated 44.7 million adults aged 18 or older had AMI [Any Mental Illness] in the past year (Figure 54). This number represents 18.3 percent of adults in the United States. An estimated 10.4 million adults in the nation had SMI [Serious Mental Illness] in the past year, and 34.3 million adults had AMI excluding SMI in the past year. The number of adults with SMI represents 4.2 percent of adults in 2016, and the number of adults with AMI excluding SMI represents 14.0 percent of adults.

Estimated Prevalence and Trends in Use of Cocaine Including Crack in the US

"In 2016, the estimate of about 1.9 million people aged 12 or older who were current users of cocaine (Figure 15) included about 432,000 current users of crack. The numbers correspond to about 0.7 percent of the population aged 12 or older who were current users of cocaine (Figure 22) and 0.2 percent who were current users of crack (Table A.7B in Appendix A). The 2016 estimate for current cocaine use was similar to the estimates in most years between 2007 and 2015, but it was lower than the estimates in 2002 to 2006.

Injection Drug Use by People in the US Aged 21-30

"In the thirteen-year (2004–2016) combined sample of young adults aged 21–30, 1.5% report having ever used any drug by injection not under a doctor’s orders, and 0.5% reported doing so on 40 or more occasions (Table 4-1a). Thus, about 1 in every 67 respondents has ever used an illicit drug by injection, and about 1 in every 200 respondents reports an extended pattern of use as indicated by use on 40 or more occasions. There is a fair-sized gender difference -- 2.3% of males vs. 0.9% of females indicate ever injecting a drug.

Washington State Data On Marijuana Use Following Enactment of I-502

"In these initial investigations, we found no evidence that I-502 enactment, on the whole, affected cannabis abuse treatment admissions. Further, within Washington State, we found no evidence that the amount of legal cannabis sales affected cannabis abuse treatment admissions.

"The bulk of outcome analyses in this report used the within-state approach to focus on identifying effects of the amount of legal cannabis sales. We found no evidence that the amount of legal cannabis sales affected youth substance use or attitudes about cannabis or drug-related criminal convictions.

Prevalence of Illegal Pharmaceutical Use in Australia

"• In 2013, 4.7% of Australians aged 14 or older had misused a pharmaceutical in the previous 12 months, which was a significant rise from 4.2% in 2010. This increase was only significant for males (from 4.1% in 2010 to 5.1% in 2013 and from 4.2% to 4.4% for females).
"• The rise in pharmaceutical misuse was mainly due to an increase in males in their 30s (4.5% in 2010 to 6.9% in 2013) and females in their 40s (3.1% in 2010 to 4.5% in 2013) misusing these drugs.

How Federal Surveys Estimate the Prevalence Of Substance Use Disorders

"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:
"1. spent a lot of time engaging in activities related to use of the drug,
"2. used the drug in greater quantities or for a longer time than intended,

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:

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