• Cannabis and depression: An integrative data analysis of four Australasian cohorts 

    Horwood, L. John; Fergusson, David M.; Coffey, Carolyn; Patton, George C; Tait, Robert; Smart, Diana; Letcher, Primrose; Silins, Edmund; Hutchinson, Delyse M
    Background: This study presents an integrative data analysis of the association between frequency of cannabis use and severity of depressive symptoms using data from four Australasian cohort studies. The integrated data ...
  • Cannabis use and educational achievement: Findings from three Australasian cohort studies 

    Horwood, L. John; Fergusson, David M.; Hayatbakhsh, Mohammad R.; Najman, Jake M.; Coffey, Carolyn; Patton, George C.; Silins, Edmund; Hutchinson, Delyse M.
    Background: The associations between age of onset of cannabis use and educational achievement were examined using data from three Australasian cohort studies involving over 6000 participants. The research aims were to ...