Table 1

 Comparison of infants of smoking and non-smoking mothers

Infants of smoking mothersInfants of non-smoking mothersp Value
Where applicable, data are median (range).
SVD, Spontaneous vaginal delivery.
Number1424
Male715
SVD10161.00
Gestational age (weeks)39 (37–42)40 (38–42)0.24
Birth weight (g)3440 (2740–4100)3400 (2780–4300)0.98
Postnatal age (hours)37 (11–85)26 (10–120)0.28