Association of Fruit and Vegetable Intake and Frailty among Chinese Elders: A Cross-Sectional Study in Three Cities

To examine the association of FVI and frailty in Chinese elders. A sectional study was conducted in three cities (Shanghai, Zhengzhou, and Baoji) in China from June 2017 to June 2018. A total of 5699 participants from 49 districts were included in the current study by two-stage sampling methods. Frailty was measured by a validated Chinese version of the FRAIL scale. FVI per day was measured by two single questions The sample proportion with...