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Table 2 Maternal total Urinary arsenic levels (T-As) by geophagy practices and ASGM activities (N = 1056)

From: Prenatal arsenic and mercury levels among women practicing geophagy in areas with artisanal and small-scale gold mining activities, Northwestern Tanzania

Groups

Median (IQR/%)

AGSM Community

    Practicing geophagy

10.92 (7.12, 17.6)

 

    Not practicing geophagy

9.90 (5.33, 15.1)

    Working in mining (overall)

10.255 (5.9, 16.06)

    Working in mining (geophagy)

10.35 (6.92, 16.17)

    Working in mining (no geophagy)

9.89 (5.09, 14.85)

    Not working in mining (overall)

11.3 (6.27, 16.17)

    Not working in mining (geophagy)

12.11 (7.12, 17.77)

    Not working in mining (no geophagy)

10.82 (5.97, 15.75)

Group comparison

    Comparison

Median difference

Test-statistic

p-value

    Geophagy practices vs. non-geophagy

1.02

χ2 = 2.7793

0.077

    Mining vs. non-mining area median difference

3.12

χ2 = 12.267

< 0.001**

    Working in mine vs. not working in mine

1.88

χ2 = 4.7066

0.030

Non-AGSM Community

    Practicing geophagy

16.05 (10.825, 20.25)

 

    Not practicing geophagy

5.54 (3.66, 9.45)

    Working in mining (overall)

7.18 (3.81, 14.4)

    Working in mining (no geophagy)

5.72 (3.66, 12.5)

    Working in mining (geophagy)

16.40 (10.83, 19.3)

    Not working in mining (overall)

5.82 (3.3, 14.1)

    Not working in mining (no geophagy)

3.77 (3.02, 5.6)

    Not working in mining (geophagy)

15.2 (11.725, 21.325)

 

Group comparison

    Geophagy practices vs. non-geophagy

10.51

χ2 = 26.964

< 0.0001***

    Mining vs. non-mining area median difference

1.36

χ2 = 4.267

< 0.0345*