Table 2 Adjusted odds ratios* (OR) for longer breastfeeding by maternal characteristics

OR (95% CI)

OR (95% CI)

Maternal education

   University

4.73 (2.69, 8.30)

2.15 (1.11, 4.15)

   High school

2.73 (1.70, 4.41)

1.26 (0.78, 2.05)

   Basic

1.00 (Reference)

1.00 (Reference)

Maternal smoking

   No

1.49 (0.98, 2.26)

1.94 (1.27, 2.97)

   Yes

1.00 (Reference)

1.00 (Reference)

Maternal age

   < 25

0.92 (0.45, 1.90)

1.71 (0.81, 3.63)

   25–34

1.16 (0.61, 2.18)

1.30 (0.69, 2.45)

   ≥ 35

1.00 (Reference)

1.00 (Reference)

Gender of the baby

   Boy

1.05 (0.70, 1.57)

0.66 (0.44, 0.99)

   Girl

1.00 (Reference)

1.00 (Reference)