One year soy protein supplementation has positive effects on bone formation markers but not bone density in postmenopausal women

Table 3 Effects of control and soy foods on bone mineral density (BMD) and bone mineral content (BMC)

Measures	Control (n = 27)		Soy (n = 35)		Control vs Soy
	Baseline	Final	Baseline	Final	p values
					Trtmt	Time	Trtmt × Time
BMD, (g/cm ² )
Whole body	1.050 ± 0.020	1.036 ± 0.0201	1.050 ± 0.018	1.036 ± 0.018	0.986	< 0.001	0.936
L1-L4	0.941 ± 0.026	0.933 ± 0.026	0.944 ± 0.022	0.934 ± 0.022	0.958	0.039	0.825
Hip, total	0.871 ± 0.021	0.870 ± 0.021	0.853 ± 0.018	0.852 ± 0.018	0.512	0.904	0.988
BMC, (g)
Whole body	2022 ± 58	1994 ± 58	2023 ± 49	2003 ± 49	0.944	< 0.001	0.465
L1-L4	53.631 ± 2.137	52.806 ± 2.137	54.737 ± 1.816	54.152 ± 1.816	0.662	0.018	0.681
Hip, total	57.532 ± 2.051	57.140 ± 2.051	57.278 ± 1.743	57.182 ± 1.743	0.967	0.738	0.839