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Validity and reproducibility of a food frequency questionnaire assessing food group intake in the PERSIAN Cohort Study
PURPOSE: A semi-quantitative food frequency questionnaire (FFQ) was developed for use in the Prospective Epidemiological Research Studies in IrAN (PERSIAN Cohort), investigating non-communicable disease risk factors. This study aimed to assess the validity and reproducibility of this FFQ, through fo...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Frontiers Media S.A.
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10436288/ https://www.ncbi.nlm.nih.gov/pubmed/37599697 http://dx.doi.org/10.3389/fnut.2023.1059870 |