Table 2.

Factors associated with ^†† initiation of breastfeeding; late preterm compared with 37 week gestation, infant and mother cohort

Variable	Univariable OR (95% CI)	p value	*Multivariable OR (95% CI)	p value
Preterm (34-36wk)	0.3 (0.1, 0.5)	<0.001	0.3 (0.1, 0.7)	0.009
Parity	0.8 (0.6, 1.0)	0.15	1.7 (0.4, 1.2)	0.21
Maternal smoking	1.1 (0.5, 2.3)	0.73	1.1 (0.4, 2.8)	0.79
Maternal age	1.0 (1.0, 1.1)	0.538	1.1 (1.0, 1.1)	0.05
Birth weight, g	1.0 (1.0, 1.0)	0.08	1.0 (1.0, 1.0)	0.72
Apgar at one minute	1.6 (1.3, 2.0)	<0.001	1.7 (1.2, 2.2)	<0.001
†Caesarean birth	0.3 (0.1, 0.7)	0.004	0.2 (0.1, 0.6)	<0.002
Multiple birth	0.86 (0.21, 3.62)	0.84	0.5 (0.1, 2.8)	0.41

*Adjusted for maternal smoking, age, parity, infant birth weight, caesarean birth, multiple birth, Apgar at one minute.

^†Caesarean section, combined data, emergency and elective caesarean births.

^†† Initiated breastfeeding, infant breastfed or received colostrum within one hour of birth.