Table 2 Estimated risk, risk difference (RD), risk ratio (RR) with 95% confidence interval (CI) and p values by vaccination status.
Vaccination status | Infected (n) | Not Infected (n) | Total | Risk | RD | RR (CI 95%) | p-value |
---|---|---|---|---|---|---|---|
0 | 56 | 19 | 75 | 0.75 | Reference | Reference | |
1 | 6 | 6 | 12 | 0.50 | − 0.25 | 0.67 (− 0.55 to 0.05) | 0.08 |
2 | 33 | 22 | 55 | 0.60 | − 0.15 | 0.8 (− 0.31 to 0.02) | 0.08 |
3 | 219 | 212 | 431 | 0.51 | − 0.24 | 0.68 (− 0.35 to 0.13) | 0.00 |
4 | 21 | 74 | 95 | 0.22 | − 0.53 | 0.29 (− 0.65 to 0.4) | 0.00 |
Total | 335 | 333 | 668 |