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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Environ Int. 2019 Jul 16;132:104957. doi: 10.1016/j.envint.2019.104957

Table 4.

For each participant, long-term exposure was estimated as the geometric mean of the concentrations in all monthly composite samples collected throughout the second and third trimesters of pregnancy. The distribution of these geometric mean concentrations in the organic and conventional groups is presented for all metabolites with less than 70% censored data.

Percentiles (μg/L)
3-PBA* n 25th 50th 75th
Conventional 10 0.54 0.95 1.85
Organic 10 0.23 0.27 0.80
PNP
Conventional 10 0.39 0.50 0.76
Organic 10 0.47 0.50 0.57
TCPY
Conventional 10 0.11 0.20 0.48
Organic 10 0.11 0.20 0.26
*

Concentrations in the conventional group were significantly higher than in the organic group (Mann-Whitney U test, p=0.03).