TABLE 1

Outcomes Examined for Exposed (Received HBPB) and Unexposed (Did Not Receive HBPB) Groups

OutcomeDefinition
Low birth weight<2500 g
Preterm birth<37 wk gestational age
Small for gestational age<10th percentile for gestational age and gender, using a Canadian standard43
Large for gestational age>90th percentile for gestational age and gender, using a Canadian standard43
5-min Apgar scoreDichotomized into ≤7 and ≥8
Breastfeeding initiationExclusive or partial breastfeeding at hospital discharge
Neonatal readmissionReadmission to any Manitoba hospital within 28 d of birth
LOS, birth hospitalizationLOS at birth; continuous measures calculated separately for infants delivered vaginally and by cesarean delivery due to different stays expected for these groups