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Stimulant use and stimulant use disorders in Australia: findings from the National Survey of Mental Health and Wellbeing

2011; Wiley; Volume: 195; Issue: 10 Linguagem: Inglês

10.5694/mja11.10360

1326-5377

Grant Sara, Philip Burgess, Meredith Harris, Gin S. Malhi, Harvey Whiteford,

Attention Deficit Hyperactivity Disorder

To describe the prevalence of lifetime and 12-month stimulant use disorders in the Australian population, and to compare the prevalence estimates from a population survey with prevalence estimates derived using indirect methods.Data were drawn from the 2007 National Survey of Mental Health and Wellbeing, which sampled 8841 residents of private dwellings in Australia in 2007. Interviews were conducted by lay interviewers using the Composite International Diagnostic Interview.Lifetime and 12-month rates of stimulant use and stimulant use disorders (abuse, dependence) diagnosed according to the Diagnostic and statistical manual of mental disorders, 4th edition.Lifetime prevalence of stimulant use disorders was 3.3%, and 12-month prevalence was 0.6%, equating to more than 97 000 Australians. Nearly half of those who had used stimulants on more than five occasions met criteria for a lifetime disorder. More than 8% of men aged 16-29 years met criteria for a lifetime stimulant use disorder. Prevalence estimates were consistent with recent estimates using indirect methods.Stimulant use disorders affect a significant number of Australians, and are most common in the age groups at greatest risk for development of psychosis.