Table 2.

Pearson's correlation coefficients between urinary proteins and their potential predictors

	Age	Log BMI	Pack-years	Log B-Pb	Log B-Cd	Log U-Cr	Log U-Cd	Log U-Zn	Log U-RBP	Log U-Protein-HC
Log BMI	0.13
Pack-years	0.27***	-0.15*
Log B-Pb	-0.05	0.03	-0.02
Log B-Cd	-0.08	-0.19*	0.42***	0.25***
Log U-Cr	-0.22**	0.14	-0.10	-0.03	-0.004
Log U-Cd	0.24**	-0.18*	0.34***	0.17*	0.43***	- 0.22**
Log U-Zn	-0.02	-0.08	0.08	0.09	0.11	- 0.05	0.16*
Log U-RBP	0.05	0.08	0.14	0.17*	0.26***	-0.14	0.21**	0.03
Log U-Protein-HC	0.23***	0.02	0.23**	-0.01	0.22**	-0.34***	0.23**	0.06	0.45***
Log U-ALB	0.03	-0.004	0.11	0.04	0.14	-0.005	0.15*	-0.06	0.29***	0.31***

For the units of parameters, see Table 1. *p < 0.05, **p < 0.01, ***p < 0.001