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Objective: To determine the effect of intention to breast-feed on short-term breast-feeding outcomes in women delivering term and preterm infants.Design: Data from the US Centers for Disease Control and Prevention's Pregnancy Risk Assessment Monitoring System (PRAMS) for three states, Ohio, Michigan and Arkansas, during 2000-2003 were analysed. SAS 9·1·3 and SUDAAN 10 statistical software packages were used for analyses.Setting: Arkansas, Michigan and Ohio, USA.Subjects: Mothers of recently delivered infants, selected by birth certificate sampling.Results: Of 16,839 mothers included, 9·7% delivered preterm. Some 52·2% expressed definite intention to breast-feed, 16·8% expressed tentative intention, 4·3% were uncertain and 26·8% had no intention to breast-feed. Overall 65·2% initiated breast-feeding, 52·0% breast-fed for ≥4 weeks and 30·8% breast-fed for ≥10 weeks. Women with definite intention were more likely to initiate (OR = 24·3, 95% CI 18·4, 32·1), to breast-feed for ≥4 weeks (OR = 7·12, 95% CI 5·95, 8·51) and to breast-feed for ≥10 weeks (OR = 2·75, 95% CI 2·20, 3·45) compared with women with tentative intention. Levels of intention did not differ between women delivering preterm and term. Women delivering at <34 weeks were more likely to initiate breast-feeding (OR = 2·24, 95% CI 1·64, 3·06) and to breast-feed for ≥4 weeks (OR = 2·58, 95% CI 1·96, 3·41), but less likely to breast-feed for ≥10 weeks (OR = 0·55, 95% CI 0·44, 0·68), compared with those delivering at term. Women delivering between 34 and 36 weeks were less likely to breast-feed for ≥10 weeks than those delivering at term (OR = 0·63, 95% CI 0·49, 0·81).Conclusions: Prenatal intention to breast-feed is a powerful predictor of short-term breast-feeding outcomes in women delivering both at term and prematurely. [ABSTRACT FROM AUTHOR] |
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