Overall | Booster group | Nonbooster group | Pc | |
---|---|---|---|---|
Mothers | ||||
Number | 454 | 208 | 246 | |
Age (years), median (range) | 25.70 (18.50–43.00) | 25.85 (18.60–43.00) | 25.65 (18.50–43.00) | 0.825 |
HBeAg positivity, n (%) | 150 (33.04%) | 59 (28.37%) | 91 (36.99%) | 0.052 |
HBV DNA (log10 IU/mL), median (range) | 3.03 (1.18–9.13) | 2.95 (1.18–9.07) | 3.14 (1.18–9.13) | 0.150 |
HBsAg (log10 IU/mL), median (range) | 3.59 (− 1.30–4.97) | 3.62 (0.61–4.97) | 3.56 (− 1.30–4.97) | 0.913 |
Maternal genotypea, n | ||||
B | 38 | 18 | 20 | 0.935 |
C | 265 | 116 | 149 | |
Mixed B + C, D | 11 | 5 | 6 | |
Infants | ||||
Sex, male: female | 236: 218 | 107: 101 | 129:117 | 0.832 |
Anti-HBs (log10 mIU/mL), median (range) | 2.88 (1.02–4.23) | 2.81 (1.02–3.96) | 2.93 (1.07–4.23) | < 0.001 |
Birth weight (kg), median (range) | 3.50 (2.40–5.40) | 3.40 (2.40–5.40) | 3.50 (2.50–4.50) | 0.086 |
Parturition manner, caesarean: vaginal | 290: 164 | 130: 78 | 160: 86 | 0.574 |
Feeding pattern, breastb: artificial | 163: 291 | 73: 135 | 90: 156 | 0.742 |