Correlates of child mental health and substance use related emergency department visits in Ontario: A linked population survey and administrative health data study

Introduction: Knowledge of the sociodemographic, behavioural, and clinical characteristics of children visiting emergency departments (EDs) for mental health or substance use concerns in Ontario, Canada is lacking. Objectives: Using data from a population-based survey linked at the individual level to administrative health data, this study leverages a provincially representative sample and quasi-experimental design to strengthen inferences …