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Table 1 Baseline characteristics of mothers

From: Pregnancy gestation at delivery and breast milk production: a secondary analysis from the EMPOWER trial

Characteristic 23–26 weeks Gestation 27–29 weeks Gestation P-value
N = 37 N = 53
n (%) n (%)
Maternal age (yr) mean (std) 32.3 (6.6) 30.9 (5.4) P = 0.28
(min, max) (19.4–44.6) (19.7–40.9)  
Self-declared ethnicity P = 0.67
 Caucasian 23 (62.2%) 36 (67.9%)  
 Black 4 (10.8%) 6 (11.3%)  
 Asian 7 (18.9%) 9 (16.9%)  
 Aboriginal/other 3 (8.1%) 2 (3.8%)  
Smoking prior to pregnancy 10 (27.0%) 18 (34.6%) P = 0.44
Primagravida 12 (32.4%) 19 (35.8%) P = 0.74
Co-Morbidities during pregnancy N = 15 (41.0%) N = 31 (58.0%) P = 0.11
 Hypertension (Gestational/chronic) 2 10  
 Diabetes (Gestational/Type I and II) 2 6  
 Preterm Labour 2 10  
 Chorioamnionitis 2 1  
 Antepartum haemorrhage 3 7  
 Other 8 10  
Antenatal corticosteroids 28 (75.7%) 48 (90.57%) P = 0.08
Cesarean Delivery 16 (43.2%) 32 (60.38%) P = 0.11
Singleton Pregnancy 33 (89.2%) 44 (83.02%) P = 0.55
Milk volume at start of start of trial Mean (std) 108 (96) 126 (95) P = 0.28