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: | , , , , , |
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Format: | Llibre |
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BMC,
2021-01-01T00:00:00Z.
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