Psychiatric Symptomatology is Associated with Polydrug Use and School Violence in Early Adolescence

This study investigated the association between psychiatric symptoms and polydrug use, school violence, and sociodemographic factors among Brazilian early adolescents. Using the baseline data collection from the effectiveness evaluation of PROERD, a school-based drug use prevention program, implemented in 30 public schools in Sao Paulo (n = 2316, M age = 12.3 years, 48.5% girls), multinomial logistic regressions were performed using Strengths...