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. 2018 Oct 16;15(10):2263. doi: 10.3390/ijerph15102263

Table 2.

The 2nd trimester and cord blood lead level and child psychomotor abilities.

Lead Level (µg/dL) Child Sex Cognitive Language Motor
β 95% CI p β 95% CI p β 95% CI p
2nd trimester of pregnancy Females a 0.31 −2.00; 2.61 0.79 −1.24 −3.28; 0.79 0.23 −1.16 −3.26; 0.94 0.27
Males b 0.73 −1.19; 2.65 0.45 −0.48 −2.53; 1.57 0.64 0.48 −1.55; 2.52 0.64
Cord blood Females c 0.34 −1.30; 1.98 0.68 −0.29 −2.23;1.65 0.77 0.48 −1.55; 2.52 0.64
Males d −2.07 −4.07; −0.06 0.04 −0.43 −2.81;1.95 0.72 −0.70 −2.90; 1.51 0.53

aN subjects = 106, N observations = 158; b N subjects = 94, N observation = 142; c N subjects = 114, N observations = 175; d N subjects = 124, N observation = 190. Coefficients, 95% CI—95% confidence interval, p-values; the 2nd trimester, cord blood lead levels, and cotinine levels during pregnancy were log10 transformed and standardized.