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Validity of the Self-administered Food Frequency Questionnaire Used in the 5-year Follow-Up Survey of the JPHC Study Cohort I: Comparison with Dietary Records for Main Nutrients
We examined the validity of energy and 16 nutrient intake measurements from a self-administered food frequency questionnaire (FFQ) used in the 5-year follow-up survey of the JPHC study using 28- or 14-day dietary records (DR) as the gold standard. The median (range) correlation coefficients between...
Autores principales: | Tsugane, Shoichiro, Kobayash, Minatsu, Sasaki, Satoshi |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Japan Epidemiological Association
2007
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9767699/ https://www.ncbi.nlm.nih.gov/pubmed/12701631 http://dx.doi.org/10.2188/jea.13.1sup_51 |
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