Table 5.
Binary logistic regression analyses predicting factors associated with anaemia.
| Variable | B | p value | COR | 95% CI |
|---|---|---|---|---|
| Sex | ||||
| Female | 1.515 | <0.001 | 4.545 | 4.168–4.962 |
| Male | Referent | |||
| Age (years) | ||||
| <20 | 0.529 | <0.001 | 1.697 | 1.408–2.045 |
| 20–29 | 0.200 | 0.035 | 1.221 | 1.14–1.470 |
| 30–39∗ | Referent | — | ||
| 40–49 | -0.851 | 0.156 | 0.427 | 0.132–1.383 |
| ≥50 | 0.075 | 0.662 | 1.078 | 0.770–1.510 |
| Sickling | ||||
| Positive | 0.162 | 0.003 | 1.176 | 1.055–1.310 |
| Negative | Referent | |||
| HBV infection | ||||
| Positive | -0.324 | 0.003 | 0.723 | 0.586–0.894 |
| Negative | Referent | |||
| HCV infection | ||||
| Positive | 0.227 | 0.266 | 1.255 | 0.841–1.873 |
| Negative | Referent | |||
| Hep B vaccination | ||||
| No | -0.260 | 0.596 | 1.026 | 0.933–1.129 |
| Yes |
∗In the age categories, participants within the 30–39 years age group were used as referents because anaemia prevalence was least in this group. COR: crude odds ratio.