Table 3.
Multivariable linear regression models (without and with spatial filter) on the association between smoothed-SPR and independent variables without and with spatial filter for Edmonton.
| Model A (without Spatial Filter) | Model B (with Spatial Filter) | |||||
|---|---|---|---|---|---|---|
| Independent Variables | Coefficient | p-Value | 95% CI | Coefficient | p-Value | 95% CI |
| Spatial filter | NA | 0.98 | 0.000 | [0.81, 1.15] | ||
| Material | ||||||
| Q1 (least deprived) | Reference | Reference | ||||
| Q2 | 0.09 | 0.001 | [0.04, 0.15] | 0.06 | 0.024 | [0.01, 0.11] |
| Q3 | 0.10 | 0.000 | [0.05, 0.15] | 0.06 | 0.021 | [0.01, 0.11] |
| Q4 | 0.19 | 0.000 | [0.14, 0.24] | 0.12 | 0.000 | [0.07, 0.17] |
| Q5 (most deprived) | 0.22 | 0.000 | [0.18, 0.27] | 0.15 | 0.000 | [0.10, 0.20] |
| Social | ||||||
| Q1 (least deprived) | Reference | Reference | ||||
| Q2 | 0.04 | 0.157 | [−0.02, 0.10] | 0.05 | 0.063 | [−0.01, 0.11] |
| Q3 | 0.05 | 0.080 | [−0.01, 0.11] | 0.05 | 0.133 | [−0.01, 0.10] |
| Q4 | 0.09 | 0.001 | [0.04, 0.15] | 0.10 | 0.000 | [0.05, 0.15] |
| Q5 (most deprived) | 0.18 | 0.000 | [0.13, 0.23] | 0.18 | 0.000 | [0.13, 0.23] |
| PM2.5 | 0.01 | 0.458 | [−0.01, 0.03] | 0.01 | 0.905 | [−0.02, 0.02] |
| NO2 | 0.00 | 0.113 | [−0.01, 0.00] | 0.00 | 0.168 | [−0.01, 0.00] |
| Constant | 0.47 | 0.000 | [0.30, 0.64] | 0.55 | 0.000 | [0.38, 0.71] |
| Adjusted R-squared = 0.14 | Adjusted R-squared = 0.23 | |||||
| AIC = 74.70 | AIC = -46.64 | |||||
| BIC = 129.08 | BIC = 12.68 | |||||
| Moran’s-I of residuals: 0.046, p-value < 0.01 |
Moran’s-I of residuals: −0.017, p-value = 0.67 |
|||||
AIC = Akaike Information Criterion. BIC = Bayesian Information. CI = Confidence Interval. NA = Not Applicable. Q = Quintiles.