AUTHOR=Chen Zhao , Liu Hao , Zhang Yao , Xing Fei , Jiang Jiabao , Xiang Zhou , Duan Xin TITLE=Identifying major depressive disorder among US adults living alone using stacked ensemble machine learning algorithms JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1472050 DOI=10.3389/fpubh.2025.1472050 ISSN=2296-2565