Browsing Human Nutrition by Author "Pei, Pei"
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The Relative Validity and Reproducibility of Food Frequency Questionnaires in the China Kadoorie Biobank Study
Qin, Chenxi; Guo, Yu; Pei, Pei; Du, Huaidong; Yang, Ling; Chen, Yiping; Shen, Xi; Shi, Zumin; Qi, Lu; Chen, Junshi; Chen, Zhengming; Yu, Canqing; Lv, Jun; Li, Liming... more authors ... less authors ( MDPI , 2022 , Article)Background: Short versions of qualitative and quantitative food frequency questionnaires (FFQs) are widely used to assess usual food intake. However, fewer studies evaluated their relative validity and reproducibility in ...