Descriptive statistics of demographic, reproductive and insulin-like growth factors by age status.

a: The dietary key nutrient intakes, including protein, fat, carbohydrates, dietary fiber, and soy isoflavones are adjusted for energy by residual method; b: mean ± standard deviation;. c: Geometric mean (95% confidence internal); d: P value is based on T test for continuous variables and χ2 test or Fisher's exact test for categorical variables. Waist to hip ratio, WHR; Body mass index, BMI.Descriptive statistics of demographic, reproductive and insulin-like growth factors by age status.