Poor performance of PHQ-9 and GAD-7 in screening clinical depression and anxiety among a large sample of Chinese children and adolescents
BMC Psychiatry. 2025 Mar 29;25(1):301. doi: 10.1186/s12888-025-06754-y. ABSTRACT BACKGROUND: The Patient Health Questionnaire (PHQ-9) and the Generalized Anxiety Disorder scale (GAD-7) are widely used symptom-based …