Child, adolescent, and parent mental health in general population during a year of COVID-19 pandemic in belgium: a cross-sectional study.

Background: This study aims to evaluate the mental health status of children, adolescents and their parents during the first year of COVID-19 pandemic in Belgium.

Method: Analysis compared results before and during the second national lockdown, which started on November 2nd 2020. A cross-sectional online survey was conducted between May 2020 and April 2021.