The association of maternal overweight and obesity with breastfeeding duration - 09/08/11
, Jianghong Li, PhD, MSc, BA b, Linda Landsborough, BSc (Nursing), RN, RM, IBCLC c, Garth Edward Kendall, PhD, MPH, RN a, Saras Henderson, PhD, Med, RN d, Jill Downie, PhD, MSc, RN d
Reprint requests: Wendy Hazel Oddy, PhD, MPH, BappSci, Telethon Institute for Child Health Research, PO Box 855, West Perth, Western Australia 6872, Australia.Résumé |
Objective |
To determine whether maternal prepregnancy overweight or obesity has an independent effect on breastfeeding duration.
Study design |
A prospective birth cohort study of 1803 live-born children and their mothers ascertained through antenatal clinics at the major tertiary obstetric hospital in Perth, Australia, were followed until 3 years of age. Unconditional logistic, Cox regression, and Kaplan Meier analyses were used to model the association between maternal prepregnancy overweight and obesity and the duration of predominant or any breastfeeding allowing for adjustment of confounders (infant factors: gender, birth weight, gestational age, age solids introduced, and older siblings; maternal factors: smoking, education, age, race, marital status, pregnancy and birth complications, cesarean section, and socioeconomic status).
Results |
Overweight and obese women were more likely to have discontinued breastfeeding at any time before 6 months than normal weight women (P < .0005) following adjustment for potential confounders.
Conclusion |
We have shown that prepregnancy body mass index is associated with reduced breastfeeding duration, and that mothers who are overweight or obese before pregnancy tend to breastfeed their infants for a shorter duration than normal weight mothers independent of maternal socioeconomic and demographic characteristics.
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| W.H. Oddy is supported by a Population Health Research Fellowship from the National Health & Medical Research Council of Australia. The Raine Study is funded by the National Health & Medical Research Council of Australia, the Western Australian Health Promotion Foundation and the Raine Study Foundation. W.H. Oddy developed the hypothesis, undertook statistical analyses, wrote the main drafts of the paper and is correspondent for this manuscript and requests for reprints. J. Li contributed to writing of the main draft, statistical analysis and result interpretation. L. Landsborough was responsible for the literature review and contributed to interpretation of the results. S. Henderson, G.E. Kendall, and J. Downie assisted with drafts of the manuscript and interpretation of the results. |
Vol 149 - N° 2
P. 185-191 - août 2006 Retour au numéro
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