Characteristics (n=286) | n (%)* |
Mean age (days) | 2.8 (range 1–5) |
Gender | |
Boy | 156 (55) |
Girl | 130 (45) |
Gestational age† | |
Preterm | 15 (5) |
Full-term | 271 (95) |
Post-term | 0 (0) |
Birth weight‡ | |
Low | 11 (4) |
Normal | 261 (91) |
High | 14 (5) |
Number of babies | |
Singleton | 283 (99) |
Twins | 3 (1) |
Mode of delivery | |
Caesarean section | 162 (57) |
Vaginal delivery | 124 (43) |
HBV vaccination | |
Yes | 263 (92) |
Not yet | 23 (8) |
BCG vaccination§ | |
Not yet | 286 (100) |
*Unless otherwise specified.
†Preterm when the gestation age <37 weeks; full-term: 37–42 weeks; post-term: >42 weeks.
‡Low birth weight if weight <2500 g; normal weight: 2500–≤4000 g; overweight: >4000 g.
§BCG vaccine is normally not given to the baby at birth; infants receive BCG vaccine with their other routine vaccinations.
HBV, hepatitis B virus.