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

• 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.
• Matèries: article
• Accés en línia: Connect to this object online.

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...