Agricultural and Food SciencesMedicine
Wen-hua Zhao, Zhi-ping Huang, Xin Zhang, Hao Li, W. Willett, Junling Wang, K. Hasegawa, Junshi Chen
tlooto Summary
The reproducibility of FFQ was evaluated at three levels between FFQ1 and FFQ2, i.e. comparison of the mean intake of foods and nutrients; correlation analysis of their intake; and cross-classification and agreement on their corresponding intake and the results showed a high degree of Reproducibility.
Abstract
Abstract is not available.
Citation format
ZHAO, Wen-hua, et al. Reproducibility and validity of a chinese food frequency questionnaire. BIOMEDICAL AND ENVIRONMENTAL SCIENCES, 2010, 23: 1–38.