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. Author manuscript; available in PMC: 2022 Dec 7.
Published in final edited form as: Environ Sci Technol. 2021 Nov 24;55(23):16001–16010. doi: 10.1021/acs.est.1c04140

Figure 2.

Figure 2.

Intraclass correlation coefficients (ICC) and 95% confidence intervals (CI) of ln-transformed SG-corrected concentrations of bisphenol A (BPA), methyl paraben (MEPB), and propyl paraben (PRPB) using samples collected across the 2nd and 3rd trimesters of pregnancy: (1) two first morning voids (FMVs) (n = 214 from 107 women) and (2) two pools (n = 112 from 56 women). Two samples of the same urine type (FMV or pool) used in ICC calculations were collected approximately 3 months apart. The selected pools in this figure were comprised of FMVs only (n = 24), or a varying number of FMVs plus one 24-hour sample (n = 84), or a varying number of FMVs plus two 24-hour samples (n = 4). Refer to Table S1 for values of ICCs and 95% CIs.