Interrupted time-series analysis with segmented Poisson regression models for study outcomes of the social distancing intervention
| Incidence rate ratio | 95% CI | |
| Total population | ||
| All injury | 0.67 | 0.60 to 0.75 |
| In-hospital mortality | 0.91 | 0.77 to 1.07 |
| Clinically severe injury | 0.82 | 0.78 to 0.87 |
| HR | 95% CI | |
| All injury | ||
| In-hospital mortality | 1.38 | 1.15 to 1.65 |
| Clinically severe injury | 1.24 | 1.12 to 1.38 |
| Level I and level II EDs | ||
| Intentional injury | 1.28 | 1.18 to 1.40 |
| Road traffic injury | 0.92 | 0.88 to 0.97 |
| EMS use | ||
| Home | 1.18 | 1.10 to 1.26 |
| Distancing target area | 0.44 | 0.39 to 0.49 |
| Non-distancing target | 1.05 | 0.97 to 1.14 |
Incidence rate per 100 000 person-days was calculated using the 2019 mid-year population of Census data.
ED, emergency department; EMS, emergency medical service; HR, Hazard ratio.