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Prevalence of psychiatric disorders among young injection drug users.

ABSTRACT: Studies of individuals in treatment for substance use have found high rates of psychiatric disorders, however little is known about the mental health of drug users not in treatment. This study aimed to assess the prevalence of lifetime and recent substance use and psychiatric disorders among young injection drug users (IDU) outside of a treatment setting.Participants were recruited through outreach and respondent-driven sampling. Trained interviewers administered the Psychiatric Research Instrument for Substance and Mental Disorders. Interviews were conducted at two field stations operated by Community Outreach Intervention Projects in Chicago. Participants were 570 young adults (18-25 years) who injected drugs in the previous 30 days. Heroin was the primary drug used in this sample. Past 12-month and lifetime substance use disorders and primary and substance-induced mental disorders were based on DSM-IV diagnostic criteria.Nearly all participants met the criteria for heroin dependence. Multiple substance use disorders were common; cannabis was the most common substance involved after heroin, followed by alcohol and cocaine. Major depression, alcohol dependence, antisocial personality disorder, and borderline personality disorder were highly prevalent. Other psychiatric disorders were observed at levels consistent with other young adult samples.Young IDU experience major depression, alcohol dependence, anti-social personality disorder, and borderline personality disorder at high rates, and multiple substance use disorders are common. Anxiety disorders in this population appear to be similar in prevalence to young adults in general.

SUBMITTER: Mackesy-Amiti ME

PROVIDER: S-EPMC3350828 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Prevalence of psychiatric disorders among young injection drug users.

Mackesy-Amiti Mary E ME Donenberg Geri R GR Ouellet Lawrence J LJ

Drug and alcohol dependence 20120109 1-2

<h4>Background</h4>Studies of individuals in treatment for substance use have found high rates of psychiatric disorders, however little is known about the mental health of drug users not in treatment. This study aimed to assess the prevalence of lifetime and recent substance use and psychiatric disorders among young injection drug users (IDU) outside of a treatment setting.<h4>Methods</h4>Participants were recruited through outreach and respondent-driven sampling. Trained interviewers administer ...[more]

PMID: 22226707

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Project description:This research presents estimates of HIV prevalence rates among injection drug users (IDUs) in large US metropolitan statistical areas (MSAs) during 1992-2002. Trend data on HIV prevalence rates in geographic areas over time are important for research on determinants of changes in HIV among IDUs. Such data also provide a foundation for the design and implementation of structural interventions for preventing the spread of HIV among IDUs. Our estimates of HIV prevalence rates among IDUs in 96 US MSAs during 1992-2002 are derived from four independent sets of data: (1) research-based HIV prevalence rate estimates; (2) Centers for Disease Control and Prevention Voluntary HIV Counseling and Testing data (CDC CTS); (3) data on the number of people living with AIDS compiled by the CDC (PLWAs); and (4) estimates of HIV prevalence in the US. From these, we calculated two independent sets of estimates: (1) calculating CTS-based Method (CBM) using regression adjustments to CDC CTS; and (2) calculating the PLWA-based Method (PBM) by taking the ratio of the number of injectors living with HIV to the numbers of injectors living in the MSA. We take the mean of CBM and PBM to calculate over all HIV prevalence rates for 1992-2002. We evaluated trends in IDU HIV prevalence rates by calculating estimated annual percentage changes (EAPCs) for each MSA. During 1992-2002, HIV prevalence rates declined in 85 (88.5%) of the 96 MSAs, with EAPCs ranging from -12.9% to -2.1% (mean EAPC=-6.5%; p<0.01). Across the 96 MSAs, collectively, the annual mean HIV prevalence rate declined from 11.2% in 1992 to 6.2 in 2002 (EAPC, -6.4%; p<0.01). Similarly, the median HIV prevalence rate declined from 8.1% to 4.4% (EAPC, -6.5%; p<0.01). The maximum HIV prevalence rate across the 11 years declined from 43.5% to 22.8% (EAPC, -6.7%; p<0.01). Declining HIV prevalence rates may reflect high continuing mortality among infected IDUs, as well as primary HIV prevention for non-infected IDUs and self-protection efforts by them. These results warrant further research into the population dynamics of disease progression, access to health services, and the effects of HIV prevention interventions for IDUs.

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Prevalence of psychiatric disorders among young injection drug users.

Publications

Prevalence of psychiatric disorders among young injection drug users.

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