title: Prevalence of illicit drug use among youth: results from the Australian School Students' Alcohol and Drugs Survey.
abstract: OBJECTIVE
  To estimate the prevalence of illicit drug use among Australian secondary school students.
  
  
  METHODS
  Data was collected as part of the Australian School Student's Alcohol and Drugs Survey, a national survey of 29,447 secondary school students.
  
  
  RESULTS
  Of all students aged 12-17 years, 39.9% (44.1% of males and 35.9% of females) reported having used at least one illicit drug in their lifetime. Cannabis was the most widely used illicit drug with 36.4% of all students reporting having used cannabis. Substantially fewer students reported using other drugs: hallucinogens (8.6%), amphetamines (6.1%), cocaine (3.6%), ecstasy (3.6%), opiates (3.7%) and steroids (1.8%). There were clear gender and age differences in the prevalence of illicit drug use: more males than females reported illicit drug use and the lifetime prevalence of illicit drug use increased with age. Most of those who reported illicit drug use had used drugs on relatively few occasions although there was a small minority of the sample who reported more frequent use. Finally, there were strong association between regular cannabis use and the use of other illicit drugs in the past year, and moderate associations between illicit drug use and the extent of both tobacco and alcohol use.
  
  
  CONCLUSIONS
  The findings of this, the first national survey of illicit drug use among Australian school students, indicate a high prevalence of illicit drug use. Comparisons with previous regionally based surveys suggest there may have been a recent increase in the prevalence of cannabis use and highlight the need for further monitoring of and prevention efforts aimed at reducing illicit drug use among students.
authors.affiliation: National Drug and Alcohol Research Centre, University of New South Wales, Sydney. NDARC10@unsw.edu.au
authors.forename: M
authors.initials: M
authors.lastname: Lynskey
authors.forename: V
authors.initials: V
authors.lastname: White
authors.forename: D
authors.initials: D
authors.lastname: Hill
authors.forename: T
authors.initials: T
authors.lastname: Letcher
authors.forename: W
authors.initials: W
authors.lastname: Hall
mesh_terms: D000293:Adolescent; D017677:Age Distribution; D001315:Australia / Q000453:epidemiology; D002648:Child; D005260:Female; D006801:Humans; D013287:Illicit Drugs; D008297:Male; D016017:Odds Ratio; D015995:Prevalence; D012307:Risk Factors; D017678:Sex Distribution; D019966:Substance-Related Disorders / Q000453:epidemiology*
chemical_list: D013287:Illicit Drugs