Table 3. Census tract level analysis multinomial model coefficients.
| Multinomial Model: Logit Coefficients | ||
|---|---|---|
| Type 2 | Type 1 | Type 3 | Type 1 | |
| %Black (0–100) | 0.0061** | 0.0035** |
| (0.0010) | (0.0015) | |
| %Hispanic (0–100) | -0.0021** | 0.0005 |
| (0.0008) | (0.0008) | |
| Pop Density (Pop/Acre) | -0.3230** | -0.7480** |
| (0.0078) | (0.0185) | |
| %College Graduate (0–100) | -0.0278** | -0.0437** |
| (0.0022) | (0.0032) | |
| Median Household Income ($1,000) | 0.0120** | 0.0337** |
| (0.0018) | (0.0024) | |
| Median Housing Value ($1,000) | -0.00066 | -0.0071** |
| (0.0005) | (0.0008) | |
| % Owner-occupied Housing Unit (0–100) | -0.0230** | -0.0218** |
| (0.0012) | (0.0016) | |
| Constant | 0.5483** | -0.0296 |
| (0.0968) | (0.1358) | |
| N | 56,536 | 56,536 |
Note: (1) Standard errors in parentheses. Statistical significance levels
* p < 0.10
** p < 0.05.
(2) Type 1 (Routine Emissions = 0, Excess Emissions = 0); Type 2 (Routine Emissions > 0, Excess Emissions = 0); Type 3 (Routine Emissions > 0, Excess Emissions > 0)