A meta-analysis of the reproducibility of food frequency questionnaires in nutritional epidemiological studies

Abstract Background Reproducibility of FFQs measures the consistency of the same subject at different time points. We performed a meta-analysis to explore the reproducibility of FFQs and factors related to reproducibility of FFQs. Methods and findings A systematic literature review was performed bef...

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Autors principals: Qi Cui (Autor), Yang Xia (Autor), Qijun Wu (Autor), Qing Chang (Autor), Kaijun Niu (Autor), Yuhong Zhao (Autor)
Format: Llibre
Publicat: BMC, 2021-01-01T00:00:00Z.
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