AUTHOR=Hsieh Ming-Hong , Nfor Oswald Ndi , Hsu Shu-Yi , Liaw Yung-Po TITLE=The correlation between patient health questionnaire-4 scores and major depressive disorder: a population-based study JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1483615 DOI=10.3389/fpubh.2025.1483615 ISSN=2296-2565