Research Article
Do US Ambient Air Lead Levels Have a Significant Impact on Childhood Blood Lead Levels: Results of a National Study
Table 5
Results of spatial lag regression.
| Spatial lag regression | Variables | | SE | Z value | P value |
| NATA05 | 50.83515 | 10.4221 | 4.8776 | <0.001 | % pre50 housing | 0.0125 | 0.00113 | 11.0852 | <0.001 | Urban-rural | 0.0972 | 0.0293 | 3.3193 | <0.001 | % below poverty | 0.0107 | 0.0022 | 4.9392 | <0.001 | Targeted/mandatory testing | −0.2067 | 0.0347 | −5.953 | <0.001 |
| R-squared: 0.386367 | | | | | Sq. Correlation: — | | | | | Sigma-square: 0.219 | | | | | S.E of regression: 0.4681 | | | | | Log likelihood: −1010.7 | | | | | Akaike info criterion: 2035.4 | | | | | Schwarz criterion: 2072.62 | | | | |
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