Funding for this research was provided by:
Korea University Medicine (I2501351)
Article History
Received: 27 April 2026
Accepted: 23 July 2026
First Online: 27 July 2026
<b>Declarations</b>
Competing interests: The authors declare no competing interests.
Ethics approval and consent to participate: Candidate participants were informed of their selection for the National Mental Health Survey for Children and Adolescents (NMHSK-CA 2022) and their right to refuse participation as prescribed by the National Health Promotion Act. All participants provided written informed consent, and the procedures used conformed to the Declaration of Helsinki guidelines. The Institutional Review Board (IRB) of Seoul National University (IRB no. H-2204-099-1316) approved the NMHSK-CA 2022, and the IRB of Gachon University Gil Medical Center approved the analysis protocol (IRB no. GCIRB2025-363).