Table 4 Factors associated with transmission and infection
Factor | OR for infection (95%CI) (i.e. child HBsAg + ve) | p-value | OR for transmission (95%CI) (i.e. child anti-HBc + ve) | p-value |
|---|---|---|---|---|
Female gender | 1.4 (0.1–17.7) | 0.773 | 8.2 (0.9–76.2) | 0.065 |
HBIg given at birth | – | 0.855 | 1.1 (0.1–11.8) | 0.968 |
Fully vaccinated | 1.1 (0.1–13.5) | 0.941 | 0.2 (0.0–1.2) | 0.077 |
Caesarean | – | – | 0.3 (0.03–2.9) | 0.288 |
Mother’s age (per year) | 0.7 (0.4–1.0) | 0.078 | 0.9 (0.7–1.1) | 0.203 |
Birth weight (per kg) | 0.2 (0.0–1.1) | 0.06 | 0.6 (0.2–1.7) | 0.293 |
Gestational age (per week) | 0.9 (0.7–1.1) | 0.240 | 1.0 (0.8–1.2) | 0.914 |