TABLE 2—
Adjusted Models of Sociodemographic Composition on PM2.5 Across 77 Community Areas: Chicago, IL, July 2–31, 2021
| Linear Model | Spatial Lag Model | |
| July 2–31 | ||
| % Black, B (95% CI) | 0.55 (−0.09, 1.18) | 0.12 (−0.21, 0.45) |
| % Latinx, B (95% CI) | 1.61 (0.93, 2.30) | 0.47 (0.10, 0.84) |
| % of households below poverty, B (95% CI) | 1.13 (−0.74, 2.99) | 0.79 (−0.15, 1.74) |
| ρ, B (95% CI) | … | 0.85 (0.75, 0.95) |
| Moran’s I (P) | 0.63 (.001) | 0.01 (.33a) |
| AIC | 148.63 | 70.65 |
| Log likelihood (df) | −69.32 (5) | −29.32 (6) |
| R2 | 0.29 | 0.75b |
| July 4 | ||
| % Black, B (95% CI) | 3.69 (2.73, 4.66) | 1.13 (0.44, 1.82) |
| % Latinx, B (95% CI) | 2.65 (1.61, 3.69) | 0.67 (0.01, 1.33) |
| % of households below poverty, B (95% CI) | −0.14 (−2.98, 2.70) | 0.24 (−1.46, 1.95) |
| ρ, B (95% CI) | … | 0.76 (0.63, 0.88) |
| Moran’s I (P) | 0.39 (.001) | 0.01 (.4a) |
| AIC | 213.47 | 155.76 |
| Log likelihood (df) | −101.74 (5) | −71.88 (6) |
| R2 | 0.61 | 0.82b |
| July 23 | ||
| % Black, B (95% CI) | 0.17 (−0.82, 1.15) | 0.13 (−0.42, 0.67) |
| % Latinx, B (95% CI) | 1.20 (0.14, 2.27) | 0.35 (−0.24, 0.94) |
| % of households below poverty, B (95% CI) | 1.61 (−1.30, 4.51) | 0.41 (−1.18, 1.99) |
| ρ, B (95% CI) | … | 0.86 (0.75, 0.96) |
| Moran’s I (P) | 0.61 (.001) | 0.09 (.1a) |
| AIC | 217.19 | 150.45 |
| Log likelihood (df) | −103.60 (5) | −69.22 (6) |
| R2 | 0.10 | 0.63b |
Note. AIC = Akaike information criterion; CI = confidence interval; PM2.5 = particulate matter ≤ 2.5 μm in diameter. The sample size was 77.
a
Pseudo P value.
b
Nagelkerke pseudo R2 value.