Some factors were found associated with this rate including mother age over 35 (PR = 4.1; 95% CI: 1.0 - 16.6), history of breastfeeding more than 24 months for her previous child (PR = 7.13; 95% CI: 1.0 - 49.7), initiation of breastfeeding 1 hour later after childbirth (PR = 0.1; 95% CI: 0.06 - 0.32), return working more than 6 months after childbirth (PR = 2.2; 95% CI: 1.0 - 4.6), suction and store breastmilk (PR = 2.9; 95% CI: 1.6 - 5.4).