Table 2. Comparison of risk of hepatitis B virus (HBV) transmission between healthcare workers, household contacts, and sexual partners.
| Group | n | HBsAg status | Evidence of past + current infection | Risk estimate | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Crude OR | Adjusted OR* | ||||||||||
| Negative | Positive | Negative | Positive | OR | 95% CI | p-value | OR | 95% CI | p-value | ||
| Household contacts, n (%) | 128 | 110 (85.9) | 18 (14.1) | 92 (71.9) | 36 (28.1) | 1.10 | 0.65–1.90 | 0.710 | |||
| Sexual partners, n (%) | 138 | 118 (85.5) | 20 (14.5) | 102 (73.9) | 36 (26.1) | 1 | |||||
| Household contacts, n (%) | 128 | 110 (85.9) | 18 (14.1) | 92 (71.9) | 36 (28.1) | 2.92 | 1.51–5.67 | 0.001 | 3.85 | 1.89–7.81 | < 0.001 |
| Healthcare workers, n (%) | 127 | 121 (95.3) | 6 (4.7) | 112 (88.2) | 15 (11.8) | 1 | 1 | ||||
| Sexual partners, n (%) | 138 | 118 (85.5) | 20 (14.5) | 102 (73.9) | 36 (26.1) | 2.63 | 1.36–5.10 | 0.003 | 3.04 | 1.51–6.17 | 0.002 |
| Healthcare workers, n (%) | 127 | 121 (95.3) | 6 (4.7) | 112 (88.2) | 15 (11.8) | 1 | 1 | ||||
*Adjusted for age and sex. HBsAg: hepatitis B surface antigen; OR: odds ratio; CI: confidence interval.