AUTHOR=Yang Xin , Leng Zimiao , Ma Changning , Yang Guanghui TITLE=Demand analysis of public sports service for older adults using Kano model JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1525447 DOI=10.3389/fpubh.2025.1525447 ISSN=2296-2565