Reproducibility and Validity of a Food Frequency Questionnaire to Measure the Consumption of β-Carotene, β-Cryptoxanthin, Folate, Vitamin D, EPA, and DHA

OBJECTIVES: The authors assessed the reproducibility and validity of a 166-item semi-quantitative food frequency questionnaire (SFFQ) for a Japanese population, focusing on carotenoids, vitamin D, folate, and fatty acids. Foods for the questionnaire were chosen with a focus on nutrients associated w...

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Detalles Bibliográficos
Autores principales: Yoshizawa, Kazuko, Al-Shaar, Laila, Willett, Walter
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2022
Materias:
Nutritional Epidemiology
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9194199/
http://dx.doi.org/10.1093/cdn/nzac067.083

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9194199/
http://dx.doi.org/10.1093/cdn/nzac067.083

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