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. Author manuscript; available in PMC: 2015 Aug 1.

Published in final edited form as: Free Radic Biol Med. 2014 Apr 12;0:67–74. doi: 10.1016/j.freeradbiomed.2014.03.042

Table 2.

Spearman correlations of continuous sample characteristics with plasma glutathione variables and urinary As metabolite percentages.

Total sample, N=376
	Plasma GSH/GSSG	Urinary %InAs	Urinary %MMA	Urinary %DMA
Age	–0.23^***	–0.17^**	0.15^**	0.01
BMI^a	–0.12^*	–0.05	–0.18^**	0.14^**
Plasma cobalamin^b	–0.15^**	–0.08	0.13^*	–0.04
Water As	0.09	0.21^***	0.21^***	–0.26^***
Urinary As/Cr	0.05	0.25^**	0.21^***	–0.27^***
Blood As	0.03	0.25^***	0.30^***	–0.35^***
0.5
Folate deficient, N=110
Age	–0.29^***	–0.24^**	0.23^**	–0.01
BMI	–0.19^*	–0.08	–0.22^**	0.20^**
Plasma cobalamin	–0.17	0.05	0.13	–0.10
Water As	0.18	0.21^*	0.29^***	–0.27^***
Urinary As/Cr	0.13	0.27^**	0.23^*	–0.30^**
Blood As	0.05	0.29^**	0.36^**	–0.38^***
0.5
Folate sufficient, N=266
Age	–0.22^***	–0.17^**	0.09	0.05
BMI^c	–0.09	–0.03	–0.14^*	0.10
Plasma cobalamin^d	–0.14^*	–0.13^*	0.14^*	–0.02
Water As	0.03	0.20^**	0.14^**	–0.22^**
Urinary As/Cr	0.01	0.18^**	0.18^**	–0.23^**
Blood As	0.01	0.22^**	0.25^***	–0.31^***

^a

N=375

^b

N=370

^c

N=265

^d

N=260

^*

p<0.05

^**

p<0.01

^***

p<0.0001.