Antenatal infection | 0.018 | 0.913 |
Maternal smoking in pregnancy | 0.150 | 0.574 |
Antenatal steroids | 0.120 | 0.970 |
Male sex | 0.847 | 0.832 |
Gestational age | 0.930 | 0.154 |
Birth weight | 0.555 | 0.950 |
Surfactant | 0.090 | 0.151 |
Postnatal infection | 0.078 | 0.989 |
Duration of ventilator days | 0.139 | 0.244 |
Duration of oxygen therapy | <0.001 | 0.184 |
Discharge August–November | 0.061 | 0.127 |
Family history of atopy | 0.731 | 0.307 |
Number of school aged siblings | 0.611 | 0.390 |
Day care attendance | 0.824 | 0.277 |
Parental smoking in the home | <0.001 | 0.085 |
Bottle feeding | 0.756 | 0.624 |
RSV LRTI | 0.010 | <0.001 |