Table 4 Pediatric asthma emergency department (ED) visit relative risk estimates, standard deviations, and credible intervals for a 1-unit increase after controlling for all other factors for the final model (Model 4) for Dataset A1 (includes geographic imputation) and Dataset B (complete cases only)
Description | Dataset A1 | Dataset B | ||||
|---|---|---|---|---|---|---|
Coefficient Estimate | Standard Deviation | 95% Credible | Coefficient Estimate | Standard Deviation | 95% Credible | |
Model intercept | − 0.307 | 0.030 | − 0.366, − 0.248 | −0.560 | 0.034 | − 0.627, − 0.495 |
Demographics | ||||||
 Percent of the population white race | − 0.013 | 0.001 | − 0.015, − 0.011 | − 0.015 | 0.001 | − 0.017,  − 0.014 |
 Percent of the population age 5-19 | − 0.063 | 0.004 | − 0.070, − 0.056 | − 0.071 | 0.004 | − 0.079, − 0.063 |
 Percent of the population male | − 0.012 | 0.003 | − 0.018, − 0.005 | − 0.011 | 0.004 | − 0.018, − 0.003 |
 Percent of the population graduated high school | − 0.013 | 0.002 | − 0.017, − 0.008 | − 0.011 | 0.002 | − 0.016, − 0.006 |
 Household median income (scaled by $1 k) | − 0.008 | 0.001 | − 0.011, − 0.006 | − 0.011 | 0.001 | − 0.013, − 0.008 |
 Average annual proportion of census tract identifiers missing | 0.395 | 0.084 | 0.231, 0.561 | NA | NA | NA |
Weather | ||||||
 Average annual temperature (°C) | − 0.028 | 0.010 | − 0.048, − 0.008 | − 0.032 | 0.008 | − 0.046, − 0.018 |
 Average annual dewpoint temperature (°C) | 0.034 | 0.007 | 0.021, 0.048 | 0.016 | 0.007 | 0.003, 0.029 |
Air pollutants | ||||||
 Average annual CO concentration (ppm) | − 0.148 | 0.070 | − 0.286, − 0.004 | NA | NA | NA |
 Average annual O3 concentration (ppb) | 0.001 | 0.001 | − 0.002, 0.003 | NA | NA | NA |
Social | ||||||
 Distance to nearest pharmacy (km) | 0.015 | 0.004 | 0.007, 0.023 | NA | NA | NA |
 Average people per house | 0.297 | 0.076 | 0.149, 0.452 | 0.521 | 0.080 | 0.363, 0.679 |
Interactions | ||||||
 CO by O3 interaction | 0.058 | 0.010 | 0.039, 0.077 | NA | NA | NA |
 CO by temperature interaction | 0.287 | 0.090 | 0.102, 0.452 | NA | NA | NA |
 CO by dewpoint temperature interaction | − 0.261 | 0.077 | − 0.415, − 0.105 | NA | NA | NA |