| |
Lower Lead (<5 μg/dL)
|
Moderate Lead (5 ≤ Pb < 10 μg/dL)
|
Higher Lead (≥10 μg/dL)
|
|---|
| | |
β
|
% change
|
β
|
% change
|
|---|
|
12-Month Infants
a
|
|
2nd trimester
|
Ref
|
−0.07 (−0.24, 0.10)
|
−7 (−22, 10)
|
−0.51 (−0.85, −0.18)*
|
−40 (−57, −16)*
|
|
3rd trimester
|
Ref
|
−0.14 (−0.31, 0.03)
|
−13 (−27, 3)
|
−0.02 (−0.31, 0.26)
|
−2 (−26, 30)
|
|
Tibiac
|
Ref
|
0.02 (−0.14, 0.19)
|
2 (−13, 20)
|
−0.03 (−0.21, 0.14)
|
−3 (−19, 15)
|
|
18- & 24-Month Infants
b
|
|
Second Trimester
|
Ref
|
0.11 (−0.08, 0.30)
|
12 (−8, 35)
|
0.23 (−0.19, 0.65)
|
26 (−18, 92)
|
|
Third Trimester
|
Ref
|
0.01 (−0.17, 0.20)
|
1 (−16, 22)
|
−0.05 (−0.51, 0.41)
|
−5 (−40, 51)
|
|
Tibia
|
Ref
|
0.10 (−0.13, 0.32)
|
10 (−12, 38)
|
0.14 (−0.08, 0.35)
|
14 (−8, 42)
|
- Effect estimates: β (95 % CI), % change and (95 % CI). All models are adjusted for child’s gender and maternal age at delivery, pre-pregnancy BMI and total school years
-
a
n = 255
-
b
n = 150
-
ctertiles were used for tibia bone (μg/g)
- *p < 0.05, remained significant (p < 0.025) after Bonferroni correction for multiple comparisons
