prevalence

Washington State Data On Marijuana Use Following Legalization

"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,

Prevalence of HIV Among Injection Drug Users in Australia

Prevalence of HIV Among Injection Drug Users in Australia: "The prevalence of HIV among people who inject drugs in Australia has remained low at 2.1% or less since 1995. The prevalence of HIV in 2011 was 1.2% (Figure 46). HCV prevalence among this group was much higher at 61% to 62% from 2005 to 2008, however this figure was lower at 53% 2011 (Figure 46) (Iversen and Maher, 2012)."

Prevalence of Drug Use in the Republic of Ireland

"26.4% of Irish adults aged 15 years or older report using an illegal drug in their lifetime, 7.5% in the past 12 months and 4.0% in the past month.
"• Lifetime usage of cannabis (24.0%) is considerably higher than any other form of drug. The second most commonly used drug is ecstasy (7.8%) with lifetime usage of cocaine (including crack) and cocaine powder at 6.6% and 6.4% respectively.

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