Predictive characteristics for developing PCC in the population of Manitoba, Canada (univariate ORs and 95% CI)
| OR | 95% CI | |
| Sex | ||
| Male (ref.) | ||
| Female | 1.60 | 1.54 to 1.66 |
| Age group (years) | ||
| 0–18 | 0.40 | 0.38 to 0.42 |
| 19–29 | 0.87 | 0.83 to 0.91 |
| 30–59 (ref.) | ||
| 60–79 | 1.54 | 1.46 to 1.63 |
| 80+ | 2.20 | 2.01 to 2.41 |
| Region of residence | ||
| Urban (ref.) | ||
| Rural | 0.92 | 0.89 to 0.96 |
| Income quintile | ||
| Q1 (lowest) | 1.32 | 1.24 to 1.40 |
| Q2 | 1.24 | 1.17 to 1.32 |
| Q3 | 1.14 | 1.07 to 1.22 |
| Q4 | 1.10 | 1.03 to 1.17 |
| Q5 (highest) (ref.) | ||
| Not found | 2.13 | 1.78 to 2.56 |
| Missing | 1.72 | 1.43 to 2.07 |
| Regional Health Authority | ||
| Winnipeg Regional Health Authority (ref.) | ||
| Interlake-Eastern Regional Health Authority | 0.86 | 0.80 to 0.92 |
| Northern Health Region | 1.11 | 1.05 to 1.18 |
| Southern Health-Santé Sud | 0.80 | 0.76 to 0.84 |
| Prairie Mountain Health | 0.98 | 0.91 to 1.04 |
| Charlson Comorbidity Index | ||
| 0 (no comorbidity) (ref.) | ||
| 1 | 1.79 | 1.71 to 1.88 |
| 2 | 2.14 | 1.98 to 2.33 |
| 3+ (higher comorbidity) | 3.20 | 2.94 to 3.47 |
| Hospitalisation within 14 days of positive COVID-19 test | 3.28 | 3.05 to 3.52 |
| Number of COVID-19 vaccine doses before positive COVID-19 test | ||
| 0 doses (ref.) | ||
| 1 dose | 0.93 | 0.87 to 0.99 |
| 2 doses | 0.34 | 0.32 to 0.36 |
| 3+ doses | 0.35 | 0.30 to 0.40 |
| Recently immigrated to Manitoba (within 5 years of the study period) | 0.84 | 0.77 to 0.91 |
| First Nations | 1.20 | 1.15 to 1.25 |
ref, reference group.