Table 2 Unadjusted associations between exclusive breastfeeding duration and prenatal value of exclusive breastfeeding and other maternal characteristics among women who intended to exclusively breastfeed^a

Strongly value EBF^b

 No

1.00

Reference

1.00

Reference

 Yes

2.22

1.82, 2.72

2.62

1.88, 3.60

Age

 18–24

0.46

0.36, 0.59

0.69

0.46, 1.04

 25–35

1.00

Reference

1.00

Reference

  ≥ 35

1.01

0.77, 1.32

0.97

0.61, 1.52

Race/Ethnicity

 White

1.00

Reference

1.00

Reference

 Non-Whites

0.58

0.42, 0.79

0.67

0.38, 1.18

Marital status

 Not married

1.00

Reference

1.00

Reference

 Married

3.02

2.20, 4.17

3.07

1.59, 5.90

Maternal Education

  ≤ High School

1.00

Reference

1.00

Reference

 Some college

1.24

0.90, 1.71

1.64

0.91, 2.93

  ≤ College graduate

1.99

1.47, 2.72

1.67

0.94, 2.98

Prenatal employment

 Not employed

1.00

Reference

1.00

Reference

 Employed

0.73

0.59, 0.89

0.58

0.41, 0.83

Poverty

  < 185 % of FPL^d

1.00

Reference

1.00

Reference

 185 %–349 % of FPL^d

0.86

0.69, 1.08

0.61

0.42, 0.90

  > 350 % of FPL^d

0.99

0.77, 1.28

0.81

0.54, 1.22

Parity

 Multipara

1.00

Reference

1.00

Reference

 Primipara

0.43

0.35, 0.54

0.57

0.38, 0.84

Prenatal smoking

 Current smokers

1.00

Reference

1.00

Reference

 Non smokers

3.44

1.97, 5.98

2.59

0.94, 7.10

Baby’s father support

 No

1.00

Reference

1.00

Reference

 Yes

2.24

1.73, 2.90

2.44

1.47, 4.04

Maternal obesity

 Non-obese

1.00

Reference

1.00

Reference

 Obese

0.69

0.54, 0.88

0.66

0.43, 1.02

Delivery mode

 Vaginal delivery

1.00

Reference

1.00

Reference

 Planned C-section

0.83

0.63, 1.11

0.90

0.56, 1.44

 Emergency C-section

0.46

0.32, 0.64

0.36

0.17, 0.74

Plans to return to work

  ≤ 6 weeks

1.00

Reference

1.00

Reference

  > 6 weeks

1.02

0.71,1.47

1.40

0.53, 3.68

 No plan to work

1.90

1.32, 2.74

4.90

1.96, 12.37