Table 3 The overall intraclass correlation coefficient (ICC) and Spearmen’s correlation coefficient for phthalate metabolites across trimesters
From: Prenatal phthalate exposure and neurodevelopmental differences in twins at 2 years of age
Phthalate metabolites (ng/mL) | ICC (95% CI) | Spearmen’s correlation coefficient | ||
|---|---|---|---|---|
1st vs. 2nd trimester | 2nd vs. 3rd trimester | 1st vs. 3rd trimester | ||
MEP | 0.25 (0.13, 0.39) | 0.32 ** | 0.30 ** | 0.20 * |
MiBP | 0.49 (0.36, 0.60) | 0.44 ** | 0.42 ** | 0.34 ** |
MBP | 0.52 (0.40, 0.63) | 0.63 ** | 0.59 ** | 0.36 ** |
MBzP | 0.42 (0.30, 0.55) | 0.43 ** | 0.53 ** | 0.34 ** |
MEHP | 0.27 (0.14, 0.40) | 0.23 * | 0.34 ** | 0.14 |
MEOHP | 0.30 (0.17, 0.43) | 0.25 * | 0.37 ** | 0.13 |
MEHHP | 0.29 (0.16, 0.42) | 0.16 | 0.27 ** | 0.15 |
MECPP | 0.27 (0.14, 0.41) | 0.28 ** | 0.40 ** | 0.24 * |
∑DEHP (nmol/L) | 0.20 (0.08, 0.34) | 0.20 * | 0.34 ** | 0.14 |