. Author manuscript; available in PMC: 2018 Jul 1.

Published in final edited form as: Cancer Epidemiol Biomarkers Prev. 2017 Mar 14;26(7):1034–1042. doi: 10.1158/1055-9965.EPI-16-0838

Table 4.

Percent variation explained.

MHBMA (ng/mL) N = 1009		Overall Percent Variation Explained	Whites		African Americans		Japanese Americans

			n	Mean^a	n	Mean^a	n	Mean^a
Sex + Age + BMI + Batch + TNE + CPD		44.23%	385	5.73	304	6.15	320	3.29
	p-values		–		0.27		<0.0001
+ GSTT1_deletion		7.30%	385	5.30	304	5.95	320	3.76
	p-values		–		0.05		<0.0001
+ GSTM1_deletion		0.88%	385	5.56	304	5.92	320	3.91
	p-values		–		0.29		<0.0001

DHBMA (ng/mL) N = 1009

Sex + Age + BMI + Batch + TNE + CPD		32.12%	385	306.1	304	352.2	320	294.7
	p-values		–		0.02		0.506
+ GSTT1_deletion		0.16%	385	306.7	304	350.3	320	288.3
	p-values		–		0.03		0.31
+ GSTM1_deletion		0.00%	385	305.3	304	349.2	320	286.8
	p-values		–		0.03		0.29

MHBMA / (MHBMA + DHBMA) N = 1009

Sex + Age + BMI + Batch + TNE + CPD		11.05%	385	0.020	304	0.018	320	0.012
	p-values		–		0.32		<0.0001
+ GSTT1_deletion		11.40%	385	0.018	304	0.018	320	0.014
	p-values		–		0.77		<0.0001
+ GSTM1_deletion		1.12%	385	0.019	304	0.018	320	0.015
	p-values		–		0.28		<0.0001

All Means are expressed as geometric least squares means adjusted for age, gender, BMI, batch, TNE (CPD, GSTT1, and GSTM1 where appropriate).