Table 1

Demographic characteristics of study participants

Median gestation (range) at time of data collection (weeks)38 (27–41)
Mean weight (95% CI) at time of data collection (kg)2.78 (0.82 to 4.76)
Median postnatal age at collection (days)3 (0–87)
Percentage of infants <37 weeks corrected gestational age at data collection35%
Birth <37 weeks gestation45%