Table 3 Odds ratios for flu vaccination by season and population group, comparing each season to 2018–2019 in Canada
From: Adult influenza vaccination coverage before, during and after the COVID-19 pandemic in Canada
Season | All Adults OR (95% CI) | P-value | 18–64 years without chronic medical conditions OR (95% CI) | P-value | 18–64 years with chronic medical conditions OR (95% CI) | P-value | 65 years and older OR (95% CI) | P-value |
|---|---|---|---|---|---|---|---|---|
2018–2019 (Reference) | - | - | - | - | - | - | - | - |
2019–2020 | 1.00 (0.89–1.13) | 0.996 | 0.96 (0.80–1.15) | 0.663 | 1.03 (0.80–1.33) | 0.805 | 1.02 (0.80–1.29) | 0.895 |
2020–2021 | 0.94 (0.84–1.06) | 0.327 | 0.93 (0.78–1.10) | 0.389 | 0.91 (0.71–1.17) | 0.461 | 1.03 (0.81–1.29) | 0.832 |
2021–2022 | 0.88 (0.79–0.99) | 0.030 | 0.82 (0.69–0.98) | 0.027 | 0.81 (0.63–1.03) | 0.089 | 1.06 (0.85–1.32) | 0.629 |
2022–2023 | 1.07 (0.96–1.20) | 0.215 | 1.02 (0.86–1.20) | 0.864 | 1.02 (0.79–1.31) | 0.896 | 1.20 (0.97–1.49) | 0.102 |
2023–2024 | 1.02 (0.91–1.14) | 0.731 | 0.89 (0.75–1.06) | 0.189 | 1.05 (0.83–1.34) | 0.669 | 1.15 (0.93–1.41) | 0.192 |