. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: J Acad Nutr Diet. 2015 Dec 11;116(3):481–489. doi: 10.1016/j.jand.2015.10.022

Table 4.

Correlations of nutrients associated with a high vegetable protein diet with serum estradiol levels for all groups taken together (oligo-amenorrheic athletes, eumenorrheic athletes and non-athletes)

	Unadjusted			Adjusted

	β	R²	p	β **	R²	p
Total dietary fiber	−0.36	0.13	0.004	−0.32	0.09	0.02
Soluble fiber	−0.41	0.17	0.0007	−0.40	0.13	0.004
Insoluble fiber	−0.33	0.11	0.008	−0.29	0.07	0.03
Pectin	−0.33	0.11	0.007	−0.29	0.07	0.03
Genistein	−0.08	0.006	0.53	0.05	0.001	0.77
Daidzein	−0.11	0.01	0.40	−0.004	0.0	0.98

β: β (or standardized) coefficient

β **: β (or standardized) coefficient after controlling for duration of amenorrhea and body fat mass

R²: R-Squared values