Table 4.

Interaction between delivery mode and early initiation of breastfeeding with outcome of possible serious bacterial infection

	Number (%) with PSBI	Total Number of Infants (%)	Adjusted Risk Ratioa	95 % CI
Vaginal Delivery
Early Initiation of Breastfeeding	1346 (4)	28,642 (96)	1.00
Lack of early initiation of breastfeeding	330 (27)	1,202 (4)	4.74	(3.13–7.17)
C-section
Early Initiation of Breastfeeding	124 (3)	3,595 (49)	0.78	(0.58–1.04)
Lack of early initiation of breastfeeding	304 (8)	3,778 (51)	1.66	(1.30–2.11)

^aMultivariable regression model adjusted for year, age, parity, maternal education, timing of first antenatal care visit, maternal anemia, location of delivery, prolonged labor, infant sex, birth weight, and the 4-level variable listed above combining delivery mode and breastfeeding status