Table 6.
Output from multivariable logistic regression model, with clinical scenario 2 (likely chronic infection) as the dependent variable.
| Variable | Categories | Odds Ratio (OR) | 95% CI |
|---|---|---|---|
| Year of donation | - | 0.972 | 0.957–0.988 |
| Sex | Female | Ref. 1 | - |
| Male | 3.150 | 2.689–3.691 | |
| Birth Cohort | Hepatitis B vaccine eligible | Ref. 1 | - |
| Hepatitis B vaccine ineligible | 1.871 | 1.616–2.166 | |
| Province or region of residence * | Ontario | Ref. 1 | - |
| British Columbia | 1.256 | 1.043–1.512 | |
| Alberta | 0.939 | 0.777–1.135 | |
| Saskatchewan | 0.897 | 0.635–1.268 | |
| Manitoba | 0.667 | 0.475–0.935 | |
| Atlantic Canada ** | 0.219 | 0.136–0.351 |
1 Ref. = Referent category in the model. * Province or region of residence at the time of hepatitis B first-time blood donor screening. ** Atlantic Canada is a summary of first-time donors who were screened for hepatitis B who resided in the provinces of New Brunswick, Nova Scotia, Prince Edward Island, and Newfoundland and Labrador at the time of blood donor screening.