Table 2.

Physical activity, energy and several other food components intakes and their differences in the placebo and soy isoflavone groups at the baseline and at the end of the study.

Variables	Groups	Baseline	After 12 weeks	Changes (%)	P valuea
Physical activity (MET.h.d)	Soy isoflavone	38.0 ± 5.57	39.94 ± 9.95	1.94 ± 9.75	0.329
	Placebo	34.27 ± 9.32	36.77 ± 6.76	2.50 ± 8.21	0.179
	P valueb	0.101	0.223	0.836
Total energy intake (kcal/day)	Soy isoflavone	2082.30 ± 707.19	1981.44 ± 538.58	− 100.85 ± 783.37	0.526
	Placebo	2111.23 ± 694.58	1984.72 ± 1108.32	− 126.50 ± 1235.43	0.644
	P valueb	0.890	0.990	0.932
Total carbohydrates (g/day)	Soy isoflavone	233.30 ± 106.29	240.71 ± 88.30	7.40 ± 129.36	0.777
	Placebo	261.72 ± 74.39	246.50 ± 146.78	− 15.22 ± 138.36	0.620
	P valueb	0.308	0.870	0.570
Total protein (g/day)	Soy isoflavone	74.71 ± 25.64	73.64 ± 18.62	− 1.07 ± 25.04	0.832
	Placebo	87.38 ± 41.95	90.72 ± 48.50	3.34 ± 59.31	0.799
	P valueb	0.215	0.140	0.753
Total fat (g/day)	Soy isoflavone	99.30 ± 34.82	85.46 ± 19.71	− 13.83 ± 36.09	0.067
	Placebo	107.05 ± 60.10	93.46 ± 30.12	− 13.59 ± 68.62	0.375
	P valueb	0.588	0.285	0.988
Cholesterol (mg/day)	Soy isoflavone	286.46 ± 182.51	219.94 ± 71.11	− 66.51 ± 175.48	0.070
	Placebo	238.18 ± 142.47	216.06 ± 184.52	− 22.11 ± 177.29	0.574
	P valueb	0.330	0.928	0.40
Fiber (g/day)	Soy isoflavone	27.61 ± 18.48	33.26 ± 22.55	5.65 ± 25.18	0.273
	Placebo	27.43 ± 11.04	30.36 ± 25.12	2.93 ± 24.13	0.584
	P valueb	0.968	0.683	0.712
SFA (g/day)	Soy isoflavone	21.08 ± 6.60	20.10 ± 6.04	− 0.98 ± 7.54	0.522
	Placebo	21.88 ± 6.38	20.94 ± 7.30	− 0.94 ± 7.39	0.566
	P valueb	0.681	0.672	0.985
MUFA (g/day)	Soy isoflavone	38.97 ± 14.16	33.07 ± 7.58	− 5.89 ± 14.41	0.052
	Placebo	37.03 ± 10.52	34.84 ± 11.40	− 2.19 ± 14.85	0.506
	P valueb	0.608	0.534	0.397
PUFA w-3 (g/day)	Soy isoflavone	0.85 ± 0.48	0.69 ± 0.29	− 0.15 ± 0.53	0.152
	Placebo	0.66 ± 0.47	0.66 ± 0.47	0.002 ± 0.59	0.986
	P valueb	0.182	0.802	0.338
PUFA w-6 (g/day)	Soy isoflavone	10.57 ± 4.88	8.53 ± 2.54	− 2.03 ± 4.34	0.028
	Placebo	9.56 ± 4.01	8.31 ± 3.91	− 1.25 ± 6.02	0.350
	P valueb	0.457	0.817	0.614
Vitamin C (mg/day)	Soy isoflavone	100.05 ± 99.49	102.59 ± 50.78	2.53 ± 101.45	0.901
	Placebo	122.94 ± 69.98	129.79 ± 71.87	6.85 ± 82.41	0.707
	P valueb	0.381	0.141	0.877
Vitamin E (mg/day)	Soy isoflavone	37.73 ± 16.76	30.68 ± 8.56	− 7.05 ± 15.14	0.029
	Placebo	35.82 ± 11.40	31.92 ± 10.21	− 3.90 ± 15.39	0.259
	P valueb	0.660	0.657	0.489
Selenium (mg/day)	Soy isoflavone	103.73 ± 58.27	102.90 ± 38.64	− 0.82 ± 55.52	0.941
	Placebo	110.61 ± 48.68	113.68 ± 95.39	0.57 ± 24.80	0.904
	P valueb	0.607	0.669	0.882
Zinc (mg/day)	Soy isoflavone	10.80 ± 3.90	11.23 ± 3.37	0.42 ± 4.15	0.617
	Placebo	16.20 ± 19.84	16.77 ± 14.50	0.57 ± 24.80	0.917
	P valueb	0.190	0.101	0.978

All the variables demonstrated as mean ± SD.

Significant values are in [bold].

SFA saturated fatty acids, MUFA mono unsaturated fatty acids, PUFA poly unsaturated fatty acids.

^aP value attained from paired sample t-test.

^bP value based on independent sample t-test.