Table 2:
Output of multiple logistic regression model with anti-N positivity as the outcome (January to August 2022)
| Odds ratio (CIs) | (95% CI) | |
|---|---|---|
| Sex | ||
| Female | Referent | |
| Male | 0.99 | 0.89, 1.09 |
| Age group | ||
| 17–24 | 4.80 | 3.88, 5.95 |
| 25–39 | 2.81 | 2.43, 3.26 |
| 40–59 | 2.07 | 1.81, 2,37 |
| 60+ | Referent | |
| Race | ||
| White | Referent | |
| Racialized | 1.41 | 1.18, 1.68 |
| Material deprivation index | ||
| 1 (least deprived) | Referent | |
| 2 | 0.88 | 0.75, 1.05 |
| 3 | 0.82 | 0.69, 0.98 |
| 4 | 0.81 | 0.69, 0.97 |
| 5 (most deprived) | 0.95 | 0.78, 1.15 |
| Social deprivation index | ||
| 1 (least deprived) | Referent | |
| 2 | 0.98 | 0.80, 1.21 |
| 3 | 1.05 | 0.86, 1.29 |
| 4 | 1.05 | 0.86, 1.29 |
| 5 (most deprived) | 0.91 | 0.74, 1.12 |
| Month of donation | ||
| January | Referent | |
| February | 2.60 | 1.99, 3.4 |
| March | 4.08 | 3.20, 5.20 |
| April | 5.31 | 4.24, 6.65 |
| May | 10.69 | 8.54, 13.37 |
| June | 14.31 | 11.33, 18.08 |
| July | 16.28 | 12.96, 20.46 |
| August | 21.38 | 16.98, 26.93 |