The persistence of the association between adolescent cannabis use and common mental disorders into young adulthood
Louisa Degenhardt, Carolyn Coffey, Helena Romaniuk, Wendy Swift, John B Carlin, Wayne D Hall, George C Patton
ADDICTION | WILEY | Published : 2013
AIMS: Debate continues about whether the association between cannabis use in adolescence and common mental disorders is causal. Most reports have focused on associations in adolescence, with few studies extending into adulthood. We examine the association from adolescence until the age of 29 years in a representative prospective cohort of young Australians. DESIGN: Nine-wave, 15-year representative longitudinal cohort study, with six waves of data collection in adolescence (mean age 14.9-17.4 years) and three in young adulthood (mean age 20.7, 24.1 and 29.1 years). PARTICIPANTS: Participants were a cohort of 1943 recruited in secondary school and surveyed at each wave when possible from mid-..View full abstract
LD has received untied educational grants from Reckitt Benckiser to conduct post-marketing surveillance studies of the introduction of Suboxone tablet and film preparations for the treatment of opioid dependence in Australia. That funder had no knowledge of this paper.Funding has been provided by the Australian National Health and Medical Research Council and the Australian Government Department of Health and Ageing.