Table 2.

Population demographics (n=99)

Characteristics	all (n=99)
Birth weight (g)	3057.5 (558.8)a
Gestational age (weeks)	38.1 (2.2)a
Length (cm)	49 (47-51)b
Head circumference (cm)	34.5 (33.0-35.5)b
Postnatal age during study (hours)	45.8 (13.6)a
Male (%)	53 (54%)c
Twins (%)	12 (12%)c
Caesarean section (%)	43 (43%)c
Caucasian (%)	90 (91%)c

Data are shown as ^amean (SD), ^bmedian (IQR) or ^ccounts (percentages), SD standard deviation, IQR interquartile range