Duration and Determinants of Breastfeeding: A Cohort Study
نویسندگان
چکیده
Objective: To evaluate the duration of exclusive breastfeeding (EBF) and full breastfeeding (FBF) as well as its determinants within a cohort. Methodology: Data were collected in household interviews. The analysis was performed through the estimative of survival curves, using the Kaplan-Meier method. Differences in the curves were evaluated employing the log-rank test. Cox proportional hazards model (or Cox regression) was applied in order to evaluate the joint effect of the predictor variables on the duration of breastfeeding. Results: The average duration of EBF was 15 days. Near the 30th day of life, 75% of children were not in EBF. At the end of the first year, approximately 50% of the children suckled at the breast, being the medium superior to 12 months. In the multivariate analysis, maternal age and type of delivery were associated with duration of EBF whereas education was associated with the duration of FBF. Conclusion: Efforts must be focused on increasing the duration of breastfeeding.
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