Table 3.
Summary of Regression Models
| Variable | IQR | Multivariate |
Spatial Multivariate |
||
|---|---|---|---|---|---|
| IRR | 95% CI | IRR | 95% CI | ||
| ROS, nmol/L | 10.4 | 1.14 | 1.06–1.23 | 1.07 | 1.01–1.15 |
| Black, % | 7.9 | 1.24 | 1.14–1.35 | 1.10 | 1.01–1.20 |
| Less than high school education, % | 10.6 | 1.19 | 1.07–1.33 | 1.05 | 0.95–1.16 |
| Crowded housing, % | 9.0 | 1.23 | 1.11–1.35 | 1.24 | 1.14–1.35 |
| Days since peak incidence | 27.3 | 1.02 | 0.99–1.05 | 1.01 | 0.98–1.03 |
| Days since first case | 12.0 | 1.00 | 0.93–1.09 | 1.02 | 0.95–1.09 |
Definition of abbreviations: CI = confidence interval; IQR = interquartile range; IRR = incidence rate ratio; ROS = reactive oxygen species.