• Cannabis use, depression and suicidal ideation in adolescence : direction of associations in a population based cohort 

    Bolanis, Despina; Orri, Massimiliano; Castellanos Ryan, Natalie; Renaud, Johanne; Montreuil, Tina; Boivin, Michel; Vitaro, Frank; Tremblay, Richard Ernest; Turecki, Gustavo; Côté, Sylvana; Séguin, Jean; Geoffroy, Marie-Claude (Elsevier, 2020-05-29)
    Background To clarify the direction of the association between frequency of cannabis use, depressive symptoms and suicidal ideation from 15 to 20 years using cross-lagged analyses. Method We included 1606 adolescents from the province of Québec ...
  • Contribution of genes and environment to the longitudinal association between childhood impulsive‐aggression and suicidality in adolescence 

    Orri, Massimiliano; Geoffroy, Marie-Claude; Turecki, Gustavo; Feng, Bei; Brendgen, Mara; Vitaro, Frank; Dionne, Ginette; Paquin, Stéphane; Galera, Cedric; Renaud, Johanne; Tremblay, Richard Ernest; Côté, Sylvana; Boivin, Michel (Wiley, 2019-11-28)
    Background Population‐based and family studies showed that impulsive‐aggression predicts suicidality; however, the underlying etiological nature of this association is poorly understood. The objective was to determine the contribution of genes and ...
  • Early childhood factors associated with peer victimization trajectories from 6 to 17 years of age 

    Oncioiu, Sînziana I.; Orri, Massimiliano; Boivin, Michel; Geoffroy, Marie-Claude; Arseneault, Louise; Brendgen, Mara; Vitaro, Frank; Navarro, Marie C.; Galera, Cedric; Tremblay, Richard Ernest; Côté, Sylvana (American Academy of Pediatrics, 2020)
    OBJECTIVES: To describe (1) the developmental trajectories of peer victimization from 6 to 17 years of age and (2) the early childhood behaviors and family characteristics associated with the trajectories. METHODS: We used data from 1760 children ...