Table 2.
Time-dependent Cox regression analysis of vaccination effect each week following delivery on SARS-CoV-2 positivity during follow-up in all individuals up to 28 days post vaccination.
| Week period (days) | No vaccination | Oxford/AstraZeneca | Pfizer/BioNTech | |||
|
|
|
Hazard ratio (95% CI) | P value | Hazard ratio (95% CI) | P value | |
| 0-7 | 1.0 (Reference) | 0.71 (0.60-0.84) | <.001 | 1.03 (0.91-1.17) | .65 | |
| 8-14 | 1.0 (Reference) | 0.68 (0.59-0.80) | <.001 | 0.90 (0.80-1.00) | .06 | |
| 15-21 | 1.0 (Reference) | 0.59 (0.49-0.71) | <.001 | 0.42 (0.36-0.50) | <.001 | |
| 22-28 | 1.0 (Reference) | 0.26 (0.19-0.35) | <.001 | 0.22 (0.18-0.27) | <.001 | |