Résumé :
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[BDSP. Notice produite par INIST cR0xb1KL. Diffusion soumise à autorisation]. Objectives, The purpose of this study a as to determine is whether breast-feeding ans a dose-related protective effect against illness and whether it centers special health benefits or poor enfants. Methods. The assocication between breast feeding dose and increases in the first a months of life was analyzed with genetalized estimating equations regression for 7092 infants from the National Maternal and Infant Health Survey Breast-feeding dose (ratio of Breast-feedings to other feedings) was categarized as full. most, equal, less or so breast-feeding. Results. Compared with no breastfeeding, full breast-feeding infants nad losser colds ratios of diarrhaa, cough or where, and vomiting and lower mean of Iliness months and sick baby medical visits. Most breast-feeding infants had lower odds ratios of diarrhea and cough or wheeze, and equal breast-feeding infants had lower odds ratios of cough or wheeze. Full, most, and equal breast-feeding infants without siblings had lower odds ratios of ear infections and certain other illnesses, but those with siblings did not. Less breast-feeding infants had no reduced odds ratios of illness. Findings did not vary by income. Conclusions. Full breast-feeding was associated with the lowest illness rates. Minimal (less) breast-feeding wqas not protective. Breast-feeding conferred similar health benefits in all economic groups.
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