In-Hospital Formula Feeding and Breastfeeding Duration

Pediatrics
Marcia Burton McCoy, Pamela Heggie

Abstract

In-hospital formula feeding (IHFF) of breastfed infants is associated with shorter duration of breastfeeding. Despite evidence-based guidelines on when IHFF is appropriate, many infants are given formula unnecessarily during the postpartum hospital stay. To account for selection bias inherent in observational data, in this study, we estimate liberal and conservative bounds for the association between hospital formula feeding and duration of breastfeeding. Infants enrolled in the Minnesota Special Supplemental Nutrition Program for Women, Infants, and Children were selected. Breastfed infants given formula were matched with infants exclusively breastfed (n = 5310) by using propensity scoring methods to adjust for potential confounders. Cox regression of the matched sample was stratified on feeding status. A second, more conservative analysis (n = 4836) was adjusted for medical indications for supplementation. Hazard ratios (HR) for weaning increased across time. In the first analysis, the HR across the first year was 6.1 (95% confidence interval [CI] 4.9-7.5), with HRs increasing with age (first month: HR = 4.1 [95% CI 3.5-4.7]; 1-6 months: HR = 8.2 [95% CI 5.6-12.1]; >6 months: HR = 14.6 [95% CI 8.9-24.0]). The second, more con...Continue Reading

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Citations

Sep 15, 2020·Journal of Human Lactation : Official Journal of International Lactation Consultant Association·Keyaria D GrayDavid Tanaka
Jan 7, 2021·Maternal & Child Nutrition·Solange BramerNatalie Shenker
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Jun 11, 2020·Pediatrics·Lori Feldman-Winter, Ann Kellams

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