AUTHOR=Qin Guangyuan , Li Miaomiao , Quan Shiwen 

TITLE=Measurement and spatiotemporal evolution characteristics of dietary diversity among Chinese residents

JOURNAL=Frontiers in Nutrition

VOLUME=12

YEAR=2025

URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1480133

DOI=10.3389/fnut.2025.1480133

ISSN=2296-861X