Table 4.
Summary of Correlation Analysis for Environmental Indicators**.
| Spatial Impact Indicators | Lung Cancer RR | |||
|---|---|---|---|---|
| Air Toxics** | Cancer Type | OLS (Std. Error) | GWR | Bivariate Moran’s I |
| Acetaldehyde | Lung Cancer | - | - | -0.33* |
| Arsenic | Lung Cancer | 0.50x106* (0.14x106) | -0.38x106- 0.s5x106 | -0.25* |
| Benzene | Leukemia | - | - | -0.22* |
| 1,3-butadiene | Leukemia | - | - | -0.29* |
| Carbon tetrachloride | Adrenal Tumors | 0.71x106* (0.14x106) | - | 0.00 |
| Chromium VI | Lung Cancer | 0.27x106* (0) | -0.88x106 - 0.33x106 | -0.12* |
| Formaldehyde | Nose Cancer | - | - | -0.33* |
| Naphthalene | Nose Cancer | -0.01x106 | - | -0.28* |
| PAHPOM | Lung Cancer | 0.43*106* (0) | -0.24X106 - 0.40X106 | 0.24* |
| Tetrachloroethylene | Liver Cancer | -0.80x106* (0.01x106) | - | -0.36* |
*
Significant at 1% confidence interval
**
The lung cancer RR and the cancer risk due to 10 air toxics are at the level of census tract.