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. Author manuscript; available in PMC: 2016 Apr 15.
Published in final edited form as: Sci Total Environ. 2015 Dec 10;544:701–710. doi: 10.1016/j.scitotenv.2015.11.136

Table 6.

Remaining residual exposure from untreated water for participants that did not report any untreated water consumption in either the 3-day diet diary or household survey and children ages 1–7 grouped by median untreated water arsenic concentration.

Comparison between all participants and participants that reported no untreated water consumption Untreated water [As] (μg/L) parameter
Estimate (95% CI) p value
All children 1–7 (n = 135) 0.0021 (0.0008, 0.0034) 0.0013
No untreated water consumption children 1–7 (n = 56) 0.0023 (0.0006, 0.0040) 0.0088
All children 8–17 (n = 55) 0.0013 (0.0007, 0.0018) <.0001
No untreated water consumption children 8–17 (n = 25) 0.0010 (−0.0007, 0.0027) 0.2439
All adults ≥18 (n = 185) 0.0014 (0.0006, 0.0022) 0.0010
No untreated water consumption adults ≥ 8 (n = 95) 0.0004 (−0.0006, 0.0015) 0.4219
All children 1–7 untreated water As level stratification
 Children 1–7 household untreated water [As] < 40 μg/L (n = 66) −0.0014 (−0.0133, 0.0105) 0.8202
 Children 1–7 household untreated water [As] ≥ 40 μg/L (n = 69) 0.0022 (0.0005, 0.0039) 0.0123

Results from the ln-transformed subtracted urinary arsenic model adjusted for gender, age, and creatinine.