Predictors of exclusive breastfeeding: a longitudinal study
Abstract
Objective: to investigate factors influencing the maintenance of exclusive breastfeeding up to six months postpartum. Methods: a longitudinal study was conducted with 150 pregnant women receiving care at primary health care units in a municipality in northwestern Paraná, Brazil. The dependent variable was exclusive breastfeeding, and the independent variables included sociodemographic, obstetric, neonatal, and psychosocial factors. Data were collected between October 2019 and November 2020 using structured questionnaires and the Infant Feeding Intentions Scale. Descriptive and inferential statistical analyses were performed, including frequency distributions and Cox regression modeling. Results: fewer than half (43.3%) of the women maintained exclusive breastfeeding for six months. Among the independent variables, previous breastfeeding experience, absence of gestational risk, and intention to breastfeed were positive predictors. In the final model, only gestational risk and intention to breastfeed remained significant. Conclusion: the findings highlight characteristics requiring special attention and reinforce the essential role of health professionals in implementing actions that address modifiable factors influencing breastfeeding.
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