Table 1.

Infant participant characteristics.

	Neonatal Vaccine Schedule (n = 422)			Infant Vaccine Schedule (n = 139)
	Low Titre	Mid Titre	High Titre
	(n = 141)	(n=142)	(n = 139)	(n = 139)
Gestational age (weeks): mean (min, max)	37.5 (34, 41)	37.3 (36, 40)	37.6 (35, 43)	37.6 (36, 45)
Birth weight (grams): mean (SD)	3121.9 (359.59)	3117.9 (384.39)	3089.4 (344.49)	3150.8 (362.65)
Sex (male): number (%)	70 (49.6)	67 (47.2)	81 (58.3)	74 (53.2)
Ethnicity (Black African): number (%)	141 (100)	142 (100)	139 (100)	139 (100)
Exclusive breastfeeding duration: number (%)
Day 1–6	141 (100)	142 (100)	139 (100)	139 (99.3)
Week 1–6	141 (100)	142 (100)	139 (98.6)	139 (99.3)
Week 10	141 (100)	142 (100)	139 (98.6)	139 (100)
Week 14	139 (98.6)	140 (97.9)	139 (98.6)	139 (100)