AUTHOR=Li Yinglin , Lin Doudou , Gong Xuan , Fu Dou , Zhao Ling , Chen Weibing , Chen Jie , Liu Shanshan , Yang Guirong , Cai Zhongxiang TITLE=Inter-relationships of depression and anxiety symptoms among widowed and non-widowed older adults: findings from the Chinese Longitudinal Healthy Longevity Survey based on network analysis and propensity score matching JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1495284 DOI=10.3389/fpubh.2025.1495284 ISSN=2296-2565