Table 3 Unadjusted model and models adjusted for important covariates
Covariate | N (Undaj. Model) | N (Adj. Model) | Adjusted estimate for lead [β (95% CI)] | Spearman Correlation between lead level and covariate | Spearman Correlation between Total IQ and covariate |
|---|---|---|---|---|---|
None | 42 | - | -1.89 (-3.30, -0.47) | - | - |
Gender | 42 | 42 | -1.88 (-3.31, -0.45) | 0.02 | 0.01 |
Birth Weight | 42 | 42 | -1.46 (-2.69, -0.24) | -0.13 | 0.56 |
Birth Order (first born/not first born) | 42 | 42 | -1.74 (-3.18, -0.30) | 0.17 | -0.21 |
Gestational age | 42 | 42 | -1.88 (-3.25, -0.52) | 0.03 | 0.30 |
Mother's marital status (married/not married) | 42 | 39 | -2.00 (-3.57, -0.43) | 0.20 | -0.28 |
Mother's education (college/no college) | 42 | 39 | -1.89 (-3.33, -0.45) | -0.25 | 0.39 |
Maternal IQ | 42 | 42 | -1.11 (-2.29, 0.06) | -0.24 | 0.67 |
Race (white/nonwhite) | 42 | 42 | -1.76 (-3.35, -0.17) | -0.37 | 0.29 |
Maternal Smoking During pregnancy (y/n) | 42 | 39 | -1.62 (-3.04, -0.21) | 0.29 | -0.51 |
Maternal Alcohol Use During pregnancy (y/n) | 42 | 39 | -2.28 (-3.88, -0.68) | 0.09 | -0.03 |
HOME score (mean of all collected) | 42 | 42 | -1.45 (-2.89, -0.01) | -0.25 | 0.38 |
Concussion (y/n) | 42 | 41 | -1.84 (-3.32, -0.36) | -0.19 | -0.08 |
Subject current smoking (y/n) | 42 | 42 | -1.56 (-2.97, -0.14) | 0.24 | -0.38 |