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Table 1 Effects of gender on absolute and relative levels of arsenicals in urine

From: Biological and behavioral factors modify urinary arsenic metabolic profiles in a U.S. population

Arsenical

Gender

P-valuea

Male

Female

TiAs

Geometric mean (μg/l)

2.070

1.737

<.0001

Mean %

15.7

14.1

0.0046

MMA

Geometric mean (μg/l)

2.204

1.789

<.0001

Mean %

17.3

14.5

<.0001

DMA

Geometric mean (μg/l)

4.041

3.661

0.0009

Mean %

67.1

71.4

<.0001

Methylation Index (Geometric mean)

Primary

1.065

1.030

0.1308

Secondary

1.834

2.046

<.0001

  1. a P-values for the geometric mean differences are based on analysis of the log10-transformed values. P-values for mean percentage differences are based on analysis of the logit transformed percentages