Table 4.
Multivariate regression model for 24 months of age neurodevelopment and cord blood manganese (μg/L) (n=307).
| Cognitive | Language | Motor | ||||
|---|---|---|---|---|---|---|
|
| ||||||
| β (SE) | p | β (SE) | p | β (SE) | p | |
| Cord manganese | 0.38 (.15) | 0.01 | .533 (.16) | <0.01 | .345 (.16) | 0.03 |
| Cord manganese2 | −.003 (.0) | 0.01 | −.0046 (.00) | <0.01 | −.0028 (0.0) | 0.05 |
| Depression: Yes | −2.2 (1.1) | 0.06 | −2.17 (1.2) | 0.08 | −0.92 (1.1) | 0.35 |
| Sex: Male | −2.6 (0.9) | 0.01 | −3.93 (1.0) | <0.01 | −3.16 (1.0) | <0.01 |
| Birth weight | 1.6 (1.2) | 0.01 | 3.38 (1.4) | 0.01 | 0.76 (1.5) | 0.56 |
| Gestational age | −0.1 (0.3) | 0.85 | −0.15 (0.4) | 0.73 | 0.08 (0.4) | 0.83 |
| Marital status (w/partner) | −0.0 (1.2) | 0.99 | 0.26 (1.4) | 0.84 | −0.42 (1.4) | 0.73 |
| Maternal age | 0.0 (0.0) | 0.95 | −0.04 (0.1) | 0.61 | −0.11 (0.1) | 0.23 |
| Education (total years) | 0.6 (0.1) | 0.04 | 0.61 (0.2) | 0.05 | 0.14 (0.2) | 0.46 |
| Blood Lead (μg/dL) | −0.3 (0.1) | 0.06 | −0.24 (0.1) | 0.17 | −0.25 (0.1) | 0.15 |