Association between community environment and metabolic sydrome among Chinese middle-aged and older adults — Evidence from the national longitudinal surveys from 2011 to 2015. - Tang, Xiangyu; Yao, Feifei; Li, Fengyan; Xiao, Liqin; Liu, Xiaoming; Liu, Fen; Yang, Jian; Xu, Shujia; Liu, Zhiling; Hu, Fulan; Chen, Xiuyun (Nutrición Hospitalaria, 2025)