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dc.contributor.authorLenton, Simon
dc.contributor.authorLiang, Wenbin
dc.contributor.authorChikritzhs, T.
dc.date.accessioned2017-01-30T11:51:54Z
dc.date.available2017-01-30T11:51:54Z
dc.date.created2012-02-12T20:00:42Z
dc.date.issued2011
dc.identifier.citationLenton, Simon and Liang, Wenbin and Chikritzhs, Tanya. 2012. Evidence of increasing age of onset of cannabis use among younger Australians. Addiction. 107 (3): pp. 650-657.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/15786
dc.identifier.doi10.1111/j.1360-0443.2011.03673.x
dc.description.abstract

Aim: To determine whether declines in the prevalence of cannabis use in Australia have been accompanied by changes in age of onset of cannabis use. Design: A retrospective cohort study. To account for right censoring error we contrasted the mean age of onset for comparable age groups across the four surveys conducted from 1998 to 2007. Kaplan–Meier failure graphs were used to describe how the cumulative risk of first use of cannabis varied across birth cohorts born from 1947 to 1993. Setting: Australian data collected in the nationally representative, triennial, National Drug Strategy Household Surveys (NDSHS). Participants: A total of 88 268 Australian household residents aged 14 years and older. Measurements: Life-time use of cannabis and age of first use. Findings: For respondents under the age of 20 years, mean age of first use of cannabis has increased from 14.6 years in 1998 to 15.2 years in 2007. Conclusions: The decline in cannabis use prevalence that has occurred since 1998 in Australia has been accompanied by an increase in age of first use among those aged under 20 years.

dc.publisherWiley-Blackwell Publishing Ltd.
dc.titleEvidence of increasing age of onset of cannabis use among younger Australians
dc.typeJournal Article
dcterms.source.issn09652140
dcterms.source.titleAddiction
curtin.departmentNational Drug Research Institute (Research Institute)
curtin.accessStatusFulltext not available


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