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Cannabis and progression to other substance use in young adults: findings from a 13-year prospective population-based study

journal contribution
posted on 2012-07-01, 00:00 authored by Wendy Swift, Carolyn Coffey, Louisa Degenhardt, John B Carlin, Helena RomaniukHelena Romaniuk, George C Patton
BACKGROUND: Adolescent cannabis use predicts the onset of later illicit drug use. In contrast, little is known about whether cannabis in young adulthood also predicts subsequent progression or cessation of licit or illicit drug use. METHODS: 13-year longitudinal cohort study with recruitment in secondary school students in Victoria, Australia. There were six waves of adolescent data collection (mean age 14.9-17.4 years) followed by three in young adulthood (mean age 20.7, 24.1 and 29.0 years). Discrete-time proportional hazards models were used to assess predictive associations between cannabis use frequency (occasional (

History

Journal

Journal of epidemiology and community health

Volume

66

Issue

7

Article number

e26

Pagination

1 - 6

Publisher

BMJ Publishing Group

Location

London, Eng.

ISSN

0143-005X

eISSN

1470-2738

Language

eng

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2012, BMJ Publishing Group Limited