The impact of short-term predominate breastfeeding on cognitive outcome at 5 years

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dc.check.date2020-09-13
dc.check.infoAccess to this article is restricted until 12 months after publication by request of the publisher.en
dc.contributor.authorLenehan, Sonia M.
dc.contributor.authorBoylan, Geraldine B.
dc.contributor.authorLivingstone, Vicki
dc.contributor.authorFogarty, Leanna
dc.contributor.authorTwomey, Deirdre Marie
dc.contributor.authorNikolovski, Janeta
dc.contributor.authorIrvine, Alan D.
dc.contributor.authorKiely, Mairead E.
dc.contributor.authorKenny, Louise C.
dc.contributor.authorHourihane, Jonathan O'B.
dc.contributor.authorMurray, Deirdre M.
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderJohnson and Johnsonen
dc.date.accessioned2019-09-20T11:53:36Z
dc.date.available2019-09-20T11:53:36Z
dc.date.issued2019-09-13
dc.date.updated2019-09-20T11:27:02Z
dc.description.abstractAim: Breastfeeding is associated with IQ, school attendance and income. Despite the known benefits of breastfeeding, the rate of exclusive breastfeeding up to 6-months is low globally. We examined the effect of short-term breastfeeding on long-term IQ. Methods: In this secondary analysis of the prospective Cork BASELINE Birth Cohort Study, children were categorised as predominantly breastfed (n = 288) versus exclusively formula-fed (n = 254) at 2-months of age. Infants (n = 404) receiving mixed-feeding were excluded. Outcome was assessed using the KBIT II at 5-years. Multivariable linear regression was used to adjust for confounding variables. Results: Following adjustment for confounding variables, children, predominately breastfed at 2-months of age, demonstrated increased overall IQ (2.00 points (95% CI: 0.35 to 3.65) ; p = 0.018) and non-verbal IQ at 5-years of age (1.88 points (95% CI: 0.22 to 3.54); p = 0.027) compared to those never breastfed. No significant relationship was found with verbal IQ (p = 0.154). Conclusion: A significant increase in composite and non-verbal IQ at 5-years of age was associated with short-term breastfeeding. This study adds to a growing body of evidence that short-term breastfeeding promotes healthy cognitive development.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationLenehan, S. M., Boylan, G. B., Livingstone, V., Fogarty, L., Twomey, D. M., Nikolovski, J., Irvine, A. D., Kiely, M., Kenny, L. C., Hourihane, J. O'B and Murray, D. M. (2019) 'The impact of short-term predominate breastfeeding on cognitive outcome at 5 years', Acta Paediatrica. doi: 10.1111/apa.15014en
dc.identifier.doi10.1111/apa.15014en
dc.identifier.eissn1651-2227
dc.identifier.issn0803-5253
dc.identifier.journaltitleActa Paediatricaen
dc.identifier.urihttps://hdl.handle.net/10468/8587
dc.language.isoenen
dc.publisherJohn Wiley & Sons, Inc.en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2272/IE/Irish Centre for Fetal and Neonatal Translational Research (INFANT)/en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Spokes Programme/15/SP/3091/IE/ENRICH: Baby Enrichment Research Programme/en
dc.relation.urihttps://onlinelibrary.wiley.com/doi/abs/10.1111/apa.15014
dc.rights© 2019, Foundation Acta Pædiatrica. Published by John Wiley & Sons Ltd. This is the peer reviewed version of the following article: Lenehan, S. M., Boylan, G. B., Livingstone, V., Fogarty, L., Twomey, D. M., Nikolovski, J., Irvine, A. D., Kiely, M., Kenny, L. C., Hourihane, J. O'B and Murray, D. M. (2019) 'The impact of short-term predominate breastfeeding on cognitive outcome at 5 years', Acta Paediatrica. doi: 10.1111/apa.15014, which has been published in final form at https://doi.org/10.1111/apa.15014. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.en
dc.subjectBreastfeedingen
dc.subjectCognitionen
dc.subjectIQen
dc.titleThe impact of short-term predominate breastfeeding on cognitive outcome at 5 yearsen
dc.typeArticle (peer-reviewed)en
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