Validity and Reproducibility of a Self-Administered Food-Frequency Questionnaire to Assess Isoflavone Intake in a Japanese Population in Comparison with Dietary Records and Blood and Urine Isoflavones

Valid food-frequency questionnaires (FFQ) need to be developed to assess isoflavone intake in investigations of its possible association with the lower incidence of breast and prostate cancer in Asian countries. We investigated the validity and reproducibility of isoflavone (daidzein and genistein)...

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Veröffentlicht in:	The Journal of nutrition 2001-10, Vol.131 (10), p.2741-2747
Hauptverfasser:	Yamamoto, Seiichiro, Sobue, Tomotaka, Sasaki, Satoshi, Kobayashi, Minatsu, Tsugane, Shoichiro, Arai, Yusuke, Uehara, Mariko, Adlercreutz, Herman, Watanabe, Shaw, Takahashi, Tosei, Iitoi, Yoji, Iwase, Yasuhiko, Akabane, Masayuki
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences biomarker Diet Diet Records Diet Surveys dietary record Epidemiology Female Genistein - administration & dosage Genistein - blood Genistein - urine Human physiology applied to population studies and life conditions. Human ecophysiology Humans Isoflavone Isoflavones - administration & dosage Isoflavones - blood Isoflavones - urine Japan JPHC Study Male Medical sciences Middle Aged Nutrition Nutritional survey. Food supply and nutritional requirement Reproducibility of Results Seasons semiquantitative food-frequency questionnaire Soy products Surveys and Questionnaires validity
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