Table 4.

Multivariable Models of Continued Breastfeeding Versus Formula Only 2 Months Postpartum Among Those Who Breastfed at Two Weeks

	Any continuedbreastfeeding, OR (95% CI)	p	Exclusive continued breastfeeding, OR (95% CI)	p	Mixed continued breastfeeding, OR (95% CI)	p
Age, years
18–25	Reference		Reference		Reference
26–35	1.9 (1.1–3.3)	0.03	1.7 (0.9–3.1)	0.08	2.3 (1.2–4.4)	0.02
36+	1.1 (0.5–2.2)	0.81	0.9 (0.4–1.9)	0.74	1.6 (0.7–3.7)	0.26
Race/ethnicity
Non-Hispanic White	Reference		Reference		Reference
Asian/Pacific Islander	2.3 (1.1–4.7)	0.03	1.9 (0.9–4.0)	0.09	3.2 (1.5–7.0)	<0.01
Black	0.4 (0.2–0.7)	<0.01	0.3 (0.1–0.6)	<0.01	0.7 (0.3–1.4)	0.29
Hispanic	0.6 (0.4–1.1)	0.08	0.5 (0.3–0.9)	0.02	0.9 (0.5–1.7)	0.80
Other/unknown	0.9 (0.3–2.3)	0.77	0.7 (0.3–2.0)	0.52	1.2 (0.4–3.5)	0.72
Neighborhood median household income
<$97,000	Reference		Reference		Reference
>$97,000	1.0 (0.6–1.5)	0.89	0.9 (0.6–1.4)	0.64	1.1 (0.7–1.8)	0.67
Lives with partner/baby's father
Yes	Reference		Reference		Reference
No	0.8 (0.4–1.7)	0.63	0.6 (0.3–1.4)	0.25	1.2 (0.6–2.6)	0.64
Prenatal depression symptoms
None	Reference		Reference		Reference
Any	1.0 (0.6–1.6)	0.98	0.9 (0.6–1.6)	0.82	1.1 (0.6–1.9)	0.76
Parity
1	Reference		Reference		Reference
2+	1.7 (1.1–2.7)	0.01	1.9 (1.2–3.0)	<0.01	1.4 (0.9–2.3)	0.16
Mode of birth
Vaginal	Reference		Reference		Reference
Cesarean section	0.5 (0.3–0.8)	<0.01	0.4 (0.3–0.7)	<0.01	0.6 (0.4–1.0)	0.04
Preterm birth (<37 weeks)
Yes	1.1 (0.4–3.0)	0.82	0.7 (0.2–2.0)	0.47	1.9 (0.7–5.2)	0.24
No	Reference		Reference		Reference
No. of ACEs
0	Reference		Reference		Reference
1	0.9 (0.5–1.6)	0.77	0.9 (0.5–1.6)	0.83	0.9 (0.5–1.6)	0.72
2+	0.8 (0.5–1.3)	0.40	0.9 (0.5–1.5)	0.59	0.7 (0.4–1.3)	0.25