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Duration of breastfeeding, daycare, and physician visits among infants 6 months and younger

Abstract:

PURPOSE: To describe the association between duration of breastfeeding and an illness requiring a visit to a health care provider within the past 30 days (IRHP) among infants ≤ 6 months. METHODS: Participants were breastfeeding women who delivered at a birthing center in suburban Detroit, Michigan and women employed by a company in Omaha, Nebraska. Subjects were interviewed by telephone at 3,6,9, and 12 weeks postpartum and by mailed questionnaire at 6 months postpartum. RESULTS: Of the 674 breastfeeding women, 233 (34.5%) reported an IRHP. An IRHP was more likely among infants attending daycare (RR = 1.60; 95% CI 1.30, 1.96). There was an interaction between duration of breastfeeding, the number of children in the household, and IRHP (p < 0.0001). For firstborn children, each additional week of breastfeeding decreased the likelihood of an IRHP by 4%. An increased duration of breastfeeding was not significantly protective against an IRHP for infants living with additional children in the household. CONCLUSIONS: Breastfeeding offers protection against an IRHP among firstborn children. Having additional children in the household or attending daycare outside of the home may diminish these benefits. © 2003 Elsevier Inc. All rights reserved.