Table 3 Results of binomial logistic regression predicting breastfeeding initiation

 Food secure (Ref.)

1.00

1.00

1.00

1.00

 Food insecure

0.67** (0.54, 0.82)

1.09 (0.88, 1.36)

1.09 (0.87, 1.37)

1.17 (0.92, 1.48)

 20–24 years old

1.52** (1.18, 1.95)

1.43** (1.11, 1.85)

1.45** (1.12, 1.88)

 25–29 years old

1.18 (0.94, 1.49)

1.14 (0.90, 1.44)

1.16 (0.91, 1.47)

 30–34 years old

1.03 (0.81, 1.30)

1.00 (0.79, 1.27)

1.02 (0.80, 1.29)

 35+ years old (Ref.)

1.00

1.00

1.00

 $0–$22,000

0.76 (0.55, 1.04)

0.77 (0.56, 1.05)

0.82 (0.59, 1.12)

 $22,001-37,000

1.07 (0.79, 1.46)

1.08 (0.80, 1.47)

1.08 (0.79, 1.46)

 $37,001-52,000

1.10 (0.80, 1.50)

1.10 (0.80, 1.51)

1.11 (0.81, 1.52)

 $52,001-67,000

0.89 (0.64, 1.24)

0.91 (0.65, 1.26)

0.92 (0.66, 1.28)

 $67,001+ (Ref.)

1.00

1.00

1.00

 Married

1.39** (1.17, 1.64)

1.38** (1.17, 1.64)

1.29** (1.09, 1.54)

 Not married (Ref.)

1.00

1.00

1.00

 0–11 years

0.25** (0.18, 0.34)

0.26** (0.19, 0.35)

0.33** (0.24, 0.45)

 12 years

0.26** (0.20, 0.33)

0.26** (0.20, 0.33)

0.30** (0.23, 0.39)

 13–15 years

0.48** (0.38, 0.61)

0.49** (0.39, 0.62)

0.53** (0.41, 0.67)

 16+ years (Ref.)

1.00

1.00

1.00

 NH White (Ref.)

1.00

1.00

1.00

 Hispanic

2.87** (2.21, 3.73)

2.82** (2.17, 3.67)

2.33** (1.79, 3.05)

 NH Black

1.36 (0.98, 1.89)

1.38 (0.99, 1.92)

1.22 (0.87, 1.71)

 NH Native American

2.98** (1.97, 4.53)

3.00** (1.97, 4.55)

2.56** (1.68, 3.92)

 NH Other

3.25** (1.97, 5.36)

3.20** (1.94, 5.27)

3.17** (1.92, 5.25)

 NH Asian

2.83** (1.60, 5.01)

2.85** (1.61, 5.03)

2.50** (1.41, 4.42)

 Unknown race/ethnicity

1.70 (0.92, 3.12)

1.74 (0.94, 3.21)

1.51 (0.82, 2.79)

 Private insurance (Ref.)

1.00

1.00

1.00

 Government insurance

0.75* (0.60, 0.93)

0.75* (0.60, 0.94)

0.81 (0.65, 1.01)

 Other insurance

0.36** (0.23, 0.58)

0.37** (0.24, 0.59)

0.38** (0.24, 0.60)

 No insurance

1.18 (0.90, 1.56)

1.18 (0.90, 1.55)

1.18 (0.89, 1.55)

HCW talked about breastfeeding before birth

1.70** (1.41, 2.05)

1.69** (1.40, 2.03)

1.68** (1.39, 2.03)

 No (Ref.)

1.00

1.00

1.00

On WIC during pregnancy

0.73** (0.61, 0.88)

0.73** (0.61, 0.88)

0.73** (0.60, 0.88)

 No (Ref.)

1.00

1.00

Experienced postpartum depression

0.81 (0.66, 1.00)

0.82 (0.67, 1.01)

 No (Ref.)

1.00

1.00

Number of stresses in 12 months before birth

1.02 (0.98, 1.06)

1.05* (1.01, 1.09)

 Then (Ref.)

1.00

1.00

 Later

1.12 (0.92, 1.37)

1.15 (0.94, 1.41)

 Sooner

1.04 (0.82, 1.31)

1.03 (0.81, 1.30)

 Never

0.75* (0.57, 0.98)

0.77 (0.58, 1.01)

 Unsure

0.90 (0.73, 1.11)

0.96 (0.78, 1.19)

Vaginal delivery (Ref.)

1.00

 No

0.79** (0.67, 0.94)

 Inadequate

0.78* (0.61, 0.99)

 Intermediate

0.77* (0.61, 0.98)

 Adequate

1.04 (0.88, 1.24)

 Adequate Plus (Ref.)

1.00

 0–2 days (Ref.)

1.00

 3–5 days

1.08 (0.91, 1.30)

 6+ days

1.45** (1.15, 1.82)

Smoking at time of survey

0.43** (0.36, 0.52)

No (Ref.)

1.00