AUTHOR=Wang Guojun , Huang Shiwei , Sun Ning , Gui Wenjin , Wang Yongjun TITLE=Depression and its influencing factors among older adults with chronic pain in China: an empirical analysis based on CHARLS data JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1547860 DOI=10.3389/fpubh.2025.1547860 ISSN=2296-2565