Table 4

Logistic regression analysis: Variables influencing full breastfeeding at 4 months

Factor

Comparison

Odds Ratio

95%CI

p value

Model 1 (≤ 30 minutes vs > 30 minutes)

Time to first breastfeed

≤ 30 minutes vs > 30 minutes

1.82

0.97, 3.43

0.06

Mother's age

≥ 30 years vs < 30 years

0.62

0.34, 1.11

0.11

Baby's gender

Female vs male

2.16

1.24, 3.77

<0.01

Parity

Multiparous vs primiparous

1.36

0.76, 2.43

0.40

Gestational age

≥ 37 weeks vs ≤ 36 weeks

1.36

0.36, 5.24

0.65

Method of delivery

Non Caesarean section vs Caesarean section

1.29

0.53, 3.12

0.57

Bleeding at delivery

< 500 ml vs ≥ 500 ml

1.29

0.62, 2.67

0.50

Early skin-to-skin contact

Non contact vs contact

0.92

0.46, 1.86

0.82

Supplementation

Non supplemented vs supplemented

1.62

0.91, 2.91

0.10

Model 2 (≤ 120 minutes vs > 120 minutes)

Time to first breastfeed

≤ 120 minutes vs > 120 minutes

2.45

1.21, 4.95

0.01

Mother's age

≥ 30 years vs < 30 years

0.64

0.35, 1.15

0.14

Baby's gender

Female vs male

2.15

1.23, 3.76

<0.01

Parity

Multiparous vs primiparous

1.39

0.77, 2.49

0.28

Gestational age

≥ 37 weeks vs ≤ 36 weeks or less

1.07

0.27, 4.25

0.92

Method of delivery

Non Caesarean section vs Caesarean section

1.02

0.41, 2.59

0.96

Bleeding at delivery

< 500 ml vs ≥ 500 ml

1.29

0.62, 2.69

0.49

Early skin-to-skin contact

Non contact vs contact

0.90

0.45, 1.80

0.76

Supplementation

Non supplemented vs supplemented

1.45

0.80, 2.65

0.23

CI = confidence interval

Nakao et al. International Breastfeeding Journal 2008 3:1   doi:10.1186/1746-4358-3-1