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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
2003 7
2005 1
2006 1
2008 1
2009 1
2011 1
2012 1
2014 1
2017 1
2018 1
2019 3
2020 1
2021 1
2022 2
2023 1
2024 0

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21 results

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Page 1
Validity of a food frequency questionnaire for the estimation of total polyphenol intake estimates and its major food sources in the Japanese population: the JPHC FFQ Validation Study.
Mori N, Sawada N, Ishihara J, Kotemori A, Takachi R, Murai U, Kobori M, Tsugane S. Mori N, et al. J Nutr Sci. 2021 May 11;10:e35. doi: 10.1017/jns.2021.25. eCollection 2021. J Nutr Sci. 2021. PMID: 34094515 Free PMC article.
We examine the validity and reproducibility of a food frequency questionnaire (FFQ) in a subsample of participants in the Japan Public Health Center-based Prospective Cohort Study using a database of polyphenol-containing foods commonly consumed in the Japanese populati …
We examine the validity and reproducibility of a food frequency questionnaire (FFQ) in a subsample of participants in the Japan Publi …
Validity of a Self-administered Food Frequency Questionnaire for the Estimation of Acrylamide Intake in the Japanese Population: The JPHC FFQ Validation Study.
Kotemori A, Ishihara J, Nakadate M, Sawada N, Iwasaki M, Sobue T, Tsugane S. Kotemori A, et al. J Epidemiol. 2018 Dec 5;28(12):482-487. doi: 10.2188/jea.JE20170186. Epub 2018 May 26. J Epidemiol. 2018. PMID: 29806636 Free PMC article.
BACKGROUND: Acrylamide, a probable carcinogen to humans, forms during high temperature cooking. Dietary exposure to acrylamide among the Japanese population is unknown. We aimed to establish and validate a method to assess acrylamide exposure among the Japanese populati …
BACKGROUND: Acrylamide, a probable carcinogen to humans, forms during high temperature cooking. Dietary exposure to acrylamide among the Jap …
Validity and reproducibility of the intake of trans-fatty acids estimated using a FFQ and characteristics of trans-fatty acid intake of the Japanese population: the JPHC FFQ Validation Study.
Kito K, Yamamoto J, Kotemori A, Nakadate M, Maruyama K, Miyazaki S, Okada C, Ishihara J, Tsugane S, Sawada N. Kito K, et al. Br J Nutr. 2023 Sep 14;130(5):895-903. doi: 10.1017/S0007114522003828. Epub 2022 Dec 1. Br J Nutr. 2023. PMID: 36453124 Free PMC article.
We aimed to validate a method for assessing trans-fatty acid (TFA) intake in the Japanese population using the FFQ developed in the 1990s from a prospective study that was based on the Japan Public Health Center-based Prospective Cohort Study. ...Our study showed th …
We aimed to validate a method for assessing trans-fatty acid (TFA) intake in the Japanese population using the FFQ developed i …
Validating the dietary inflammatory index using inflammatory biomarkers in a Japanese population: A cross-sectional study of the JPHC-FFQ validation study.
Kotemori A, Sawada N, Iwasaki M, Yamaji T, Shivappa N, Hebert JR, Ishihara J, Inoue M, Tsugane S; JPHC FFQ Validation Study Group. Kotemori A, et al. Nutrition. 2020 Jan;69:110569. doi: 10.1016/j.nut.2019.110569. Epub 2019 Aug 17. Nutrition. 2020. PMID: 31574409
METHODS: Overall, 565 participants from the food frequency questionnaire (FFQ) validation study of the Japan Public Health Center-Based Prospective Cohort were included in the present study. ...Furthermore, IL-6 concentration appeared to increase across DII q …
METHODS: Overall, 565 participants from the food frequency questionnaire (FFQ) validation study of the Japan Public Hea …
Validity and reliability of a self-administered food frequency questionnaire for the JPHC study: The assessment of amino acid intake.
Okada C, Iso H, Ishihara J, Maruyama K, Sawada N, Tsugane S; JPHC FFQ Validation Study Group. Okada C, et al. J Epidemiol. 2017 May;27(5):242-247. doi: 10.1016/j.je.2016.06.003. Epub 2017 Feb 10. J Epidemiol. 2017. PMID: 28190658 Free PMC article.
To examine the impact of the 2010 revision compared with that of the 1986 revision, we evaluated the validity and reliability of amino acid intakes assessed using a food frequency questionnaire (FFQ). METHODS: A FFQ including 138 food items was compared with 7-day d …
To examine the impact of the 2010 revision compared with that of the 1986 revision, we evaluated the validity and reliability of amino acid …
Food and nutrient intakes assessed with dietary records for the validation study of a self-administered food frequency questionnaire in JPHC Study Cohort I.
Sasaki S, Takahashi T, Iitoi Y, Iwase Y, Kobayashi M, Ishihara J, Akabane M, Tsugane S; JPHC. Sasaki S, et al. J Epidemiol. 2003 Jan;13(1 Suppl):S23-50. doi: 10.2188/jea.13.1sup_23. J Epidemiol. 2003. PMID: 12701630 Free PMC article.
We present here the survey methods and basic results of dietary records which were used as reference values in the present validation study of a self-administered food frequency questionnaire (FFQ) for the 5-year follow-up survey of the JPHC study. ... …
We present here the survey methods and basic results of dietary records which were used as reference values in the present validation …
Validity of a self-administered food frequency questionnaire used in the 5-year follow-up survey of the JPHC Study Cohort I: comparison with dietary records for food groups.
Sasaki S, Kobayashi M, Tsugane S; JPHC. Sasaki S, et al. J Epidemiol. 2003 Jan;13(1 Suppl):S57-63. doi: 10.2188/jea.13.1sup_57. J Epidemiol. 2003. PMID: 12701632 Free PMC article.
We examined the validity of food 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 coeff …
We examined the validity of food intake measurements from a self-administered food frequency questionnaire (FFQ) used in the 5-year f …
Food frequency questionnaire reproducibility for middle-aged and elderly Japanese.
Maruyama K, Ikeda A, Ishihara J, Takachi R, Sawada N, Shimazu T, Nakamura K, Tanaka J, Yamaji T, Iwasaki M, Iso H, Tsugane S; JPHC-NEXT Protocol Validation Study Group. Maruyama K, et al. Asia Pac J Clin Nutr. 2019;28(2):362-370. doi: 10.6133/apjcn.201906_28(2).0019. Asia Pac J Clin Nutr. 2019. PMID: 31192566 Free article.
BACKGROUND AND OBJECTIVES: The aim of this study was to examine the reproducibility of a self-administered food frequency questionnaire (FFQ) originally developed for the Japan Public Health Center-Based Prospective Study (JPHC study) and modified for use in the Nex …
BACKGROUND AND OBJECTIVES: The aim of this study was to examine the reproducibility of a self-administered food frequency questionnaire ( …
Validity of the Food Frequency Questionnaire-Estimated Intakes of Sodium, Potassium, and Sodium-to-Potassium Ratio for Screening at a Point of Absolute Intake among Middle-Aged and Older Japanese Adults.
Matsuno T, Takachi R, Ishihara J, Ishii Y, Kito K, Maruya S, Nakamura K, Tanaka J, Yamagishi K, Yamaji T, Iso H, Iwasaki M, Tsugane S, Sawada N; JPHC-NEXT Protocol Validation Study Group. Matsuno T, et al. Nutrients. 2022 Jun 23;14(13):2594. doi: 10.3390/nu14132594. Nutrients. 2022. PMID: 35807775 Free PMC article.
However, FFQs have been widely used for ranking individuals in a population based on their dietary intake. We determined the validity of sodium (salt equivalent) intake, potassium intake, and sodium-to-potassium (Na/K) ratio obtained using the FFQ for identifying in …
However, FFQs have been widely used for ranking individuals in a population based on their dietary intake. We determined the validity …
Impact of the revision of a nutrient database on the validity of a self-administered food frequency questionnaire (FFQ).
Ishihara J, Inoue M, Kobayashi M, Tanaka S, Yamamoto S, Iso H, Tsugane S; JPHC FFQ Validation Study Group. Ishihara J, et al. J Epidemiol. 2006 May;16(3):107-16. doi: 10.2188/jea.16.107. J Epidemiol. 2006. PMID: 16710079 Free PMC article.
Here, we investigated the effect of this revision of the nutrient database on the validity of a food frequency questionnaire (FFQ) used to estimate nutrient intake in the Japan Public Health Center-based prospective Study (JPHC Study). METHODS: Subjects were a subsa …
Here, we investigated the effect of this revision of the nutrient database on the validity of a food frequency questionnaire (FFQ) us …
21 results