Table 2 Cox’s univariate analysis and Cox’s multivariate regression analysis for risk of breastfeeding interruption before 2 years of age

Maternal white skin color

1.31 (1.10–1.56)

Maternal age < 20 years

0.90 (0.74–1.09)

Maternal schooling ≤8 years

0.92 (0.78–1.08)

Primiparous mother

1.21 (1.05–1.40)

Family income < 2 minimum wages

0.81 (0.71–0.94)

Attendance to prenatal lecture/course on breastfeeding

–

0.92 (0.79–1.09)

Smoking during pregnancy

–

1.21 (0.76–1.93)

Public prenatal care funding

–

0.90 (0.76–1.06)

Vaginal delivery

–

–

1.02 (0.86–1.21)

Public hospital finding

–

–

0.90 (0.75–1.09)

Breastfeeding in the first hour of life

–

–

0.99 (0.85–1.15)

Rooming in at hospital

–

–

1.17 (0.90–1.52)

Received guidance on breastfeeding at hospital

–

–

1.11 (0.93–1.33)

Maternal expectation of breastfeeding duration < 12 months

–

–

0.94 (0.79–1.12)

Birth weight < 2500 g

–

–

0.80 (0.56–1.12)

Infant sex male

–

–

1.18 (1.03–1.35)

Mother working outside the home at the time of breastfeeding interruption

–

–

–

Partner’s support and encouragement to breastfeeding

–

–

–

Cohabitation with child’s father

–

–

–

Use of a pacifier at the time of breastfeeding interruption

–

–

–

Mother-infant bed-sharing at the time of breastfeeding interruption

–

–

–

Breastfeeding on demand in the first month

–

–

–

Exclusive breastfeeding at 4 months

–

–

–