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Epidemiologic Studies of Soy Components in Diet:Breast Cancer Risk ReductionAsianLee ‘92 (total soy protein).1 .3 .6p < 0.001 PremenopausalNS PostmenopausalHirose ‘95 (beancurd(beancurd, miso)Yuan ‘95 (tofu, soymilk).6 .8 1.0NS Premenopausal.7 1.0 1.3NS PostmenopausalNS p = 0.44–0.79 0.79 Shanghai, TianjinWu ‘96 (tofu).61p < 0.01 Premenopausal.6p < 0.05 PostmenopausalDai ‘01 (soy).46 .66 .95NS All Breast CancerS Just ER + /PR +.25 .44 .78WesternIngram ‘97 (urinary isoflavones).17 .47 1.33NS Diadzein.1 .27 .69p = 0.009 Equolden Tonkelaar ‘01 (urinary.46 .83 1.3phytoestrogens)NS Postmenopausal.79 1.08 1.59Keinan-Boker‘02 (food content).34 .58 .98NS IsoflavonesS Lignans7/12/2005 6:23:26 PM ODAC45 15.6 1.3 2.60 .5 1 1.52Estimated Relative Risk