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Despite well-documented health benefits of breastfeeding for mothers and babies, most women discontinue breastfeeding before the recommended 12 months to 2 years. The purpose of this study was to assess the effect of modifiable antenatal variables on breastfeeding outcomes. A prospective, longitudinal study was conducted with 300 pregnant, Australian women. Questionnaires containing variables of interest were administered to women during their last trimester; infant feeding method was assessed at 1 week and 4 months postpartum. Intended breastfeeding duration and breastfeeding self-efficacy were identified as the most significant modifiable variables predictive of breastfeeding outcomes. Mothers who intended to breastfeed for < 6 months were 2.4 times as likely to have discontinued breastfeeding at 4 months compared to those who intended to breastfeed for > 12 months (35.7% vs 87.5%). Similarly, mothers with high breastfeeding self-efficacy were more likely to be breastfeeding compared to mothers with low self-efficacy (79.3% vs 50.0%). J Hum Lact. 20(1):30-38. [ABSTRACT FROM AUTHOR]

Many new mothers discontinue breastfeeding prematurely because of difficulties encountered rather than maternal choice. Research has shown that a significant predictor of breastfeeding duration is a mother's confidence in her ability to breastfeed. To measure breastfeeding confidence, the Breastfeeding Self-Efficacy Scale (BSES) was developed and psychometrically tested at 1 week postpartum. The purpose of this methodological study was to psychometrically test the BSES antenatally and at 1 week and 4 months postpartum in a sample of Australian women and to determine predictive validity. The psychometric assessment of the original BSES study was replicated, including internal consistency, principal components factor analysis, comparison of contrasted groups, and correlations with a similar construct. Support for predictive validity was demonstrated through positive correlations and significant mean differences between antenatal BSES scores and infant-feeding method at 1 week and 4 months postpartum. The BSES is now considered ready for both research and clinical use (a) to identify new mothers with low breastfeeding confidence who require additional assistance, (b) to assess breastfeeding behaviors and cognitions in order to have individualized confidence-building strategies, and (c) to assist in the evaluation of various nursing interventions. © 2003 Wiley Periodicals, Inc. Res Nurs Health 26:143–152, 2003 [ABSTRACT FROM AUTHOR]