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Jornal de Pediatria
versão impressa ISSN 0021-7557
MARTINS, Elisa Justo e GIUGLIANI, Elsa Regina Justo. Which women breastfeed for 2 years or more?. J. Pediatr. (Rio J.) [online]. 2012, vol.88, n.1, pp.67-73. ISSN 0021-7557. http://dx.doi.org/10.2223/JPED.2154.
OBJECTIVE: To identify factors associated with continuation of breastfeeding for 2 years or more. METHODS: This was a cohort study that followed 151 children recruited at the Hospital de Clínicas in Porto Alegre, Brazil, from birth until ages ranging from 3 to 5 years. Mothers were interviewed in person in the maternity unit, at 7 and 30 days after delivery, and when their children were from 3 to 5 years old. Interviews were also conducted at 60, 120 and 180 days, by telephone when possible, or during a home visit otherwise. Associations between the outcome (breastfeeding for 2 years or more) and explanatory variables were investigated using Poisson regression within a hierarchical model. RESULTS: The following variables had positive associations with the outcome: mother staying at home with her child for the first 6 months [relative risk (RR) = 2.13; 95% confidence interval (95%CI) 1.12-4.05]; not using a pacifier (RR = 2.45; 95%CI 1.58-3.81); and later introduction of water and/or teas and of other milks. Each extra day that these liquids were not introduced was associated with 0.5% and 0.1% greater probability of the child being breastfed beyond 2 years, respectively. Cohabitation with the child’s father had a negative association with the outcome (RR = 0.61; 95%CI 0.37-0.99). CONCLUSION: Mothers staying at home with their children for the first 6 months of their lives, not cohabiting with a partner, not giving their children pacifiers and delaying introduction of water and/or teas and of other milks are characteristics and behaviors associated with continuation of breastfeeding for 2 years or more.
Palavras-chave : Breastfeeding; weaning; feeding practices; infant nutrition.