Estrogen receptor gene polymorphisms and prostate cancer risk according to BMI and habitual dietary intake of Phytoestrogen.

*Phytoestrogen: low (n = 254), high (n = 245); ��Low�� and ��High�� is defined as below and above the median total phytoestrogen intake of controls, 2.71 mg/mo. Missing values were excluded from the analysis.?BMI: ?NA: no applicable estimate due to small sample number.All odds ratios are adjusted for age and race.

* 植物雌激素（Phytoestrogen）摄入分为低摄入组（n=254）与高摄入组（n=245）；"低"与"高"的定义为以对照组总植物雌激素摄入中位数2.71 mg/mo作为分界标准，高于该标准为高摄入组、低于该标准为低摄入组。分析过程中已剔除缺失值。
* 体质指数（BMI）：无可用估算值，因样本量过小无法获得有效估计。
* 所有比值比（Odds Ratio，OR）均已针对年龄与种族进行校正。