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. Author manuscript; available in PMC: 2012 May 1.
Published in final edited form as: Environ Sci Technol. 2011 Mar 30;45(9):4127–4132. doi: 10.1021/es103160j

Table 2.

Estimated perchlorate dose (μg/kg/day) for 205 urine samples collected from 92 infants at ages ranging from 1–377 days.*

All Infants Feeding Groups
Perchlorate dose (μg/kg/day) Breast Milk Cow milk formula Soy Formula
Na 205 91 51 63
Mean† 0.255 0.420 0.208 0.065
Median 0.160 0.315 0.160 0.039
Maximum 1.843 1.843 1.396 0.352
Geo Mean† 0.0922 0.220 0.103 0.027
a

number of urine samples.

*

data adjusted to account for 1.24 μg/L perchlorate contamination from diapers

†

Adjusted for age, sex and BMI in mixed linear model.