Assessment of Mental Health of Chinese Primary School Students Before and After School Closing and Opening During the COVID-19 Pandemic

isolation imposed by disease containment measures with future mental health problems among children and adolescents. This study has several limitations, including measurement errors in mental health outcomes and unmeasured confounders, as well as the limited representativeness of the sample. Because suicide is the third leading cause of death for children and adolescents aged 10 to 14 years, a wide-ranging interdisciplinary response that applies knowledge about effective suicide prevention approaches should be an international priority.