IRR (95% CI) | P value | |
Pre-lockdown trend in 2020 compared with 5-year average | 0.71 (0.53 to 0.94) | 0.016 |
Week-on-week change in weeks 1–12 | ||
Five-year average | 0.99 (0.96 to 1.01) | 0.255 |
2020 | 1.00 (0.97 to 1.03) | 0.897 |
2020 relative to 5-year average | 1.02 (0.98 to 1.06) | 0.417 |
Overall change in trend at week 13 | ||
Five-year average | 1.01 (0.76 to 1.34) | 0.919 |
2020 | 0.79 (0.53 to 1.15) | 0.221 |
2020 relative to 5-year average | 0.78 (0.48 to 1.24) | 0.296 |
Week-on-week change in weeks 13–18 | ||
Five-year average | 0.96 (0.89 to 1.04) | 0.351 |
2020 | 0.82 (0.72 to 0.93) | 0.002 |
2020 relative to 5-year average | 0.85 (0.73 to 0.99) | 0.033 |
IRR, incidence rate ratio.