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dc.contributor.authorBrennan-Jones, C.
dc.contributor.authorEikelboom, R.
dc.contributor.authorJacques, Angela
dc.contributor.authorSwanepoel, D.
dc.contributor.authorAtlas, M.
dc.contributor.authorWhitehouse, A.
dc.contributor.authorJamieson, S.
dc.contributor.authorOddy, W.
dc.date.accessioned2017-04-28T13:59:12Z
dc.date.available2017-04-28T13:59:12Z
dc.date.created2017-04-28T09:06:15Z
dc.date.issued2017
dc.identifier.citationBrennan-Jones, C. and Eikelboom, R. and Jacques, A. and Swanepoel, D. and Atlas, M. and Whitehouse, A. and Jamieson, S. et al. 2017. Protective benefit of predominant breastfeeding against otitis media may be limited to early childhood: results from a prospective birth cohort study. Clinical Otolaryngology. 42 (1): pp. 29-37.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/52560
dc.identifier.doi10.1111/coa.12652
dc.description.abstract

OBJECTIVES: To examine the long-term effects of predominant breastfeeding on incidence of otitis media. DESIGN: Prospective birth cohort study. SETTING: The West Australian Pregnancy Cohort (Raine) Study recruited 2900 mothers through antenatal clinics at the major tertiary obstetric hospital in Perth, Western Australia, between 1989 and 1992. PARTICIPANTS: In total, 2237 children participated in a 6-year cohort follow-up, and a subset of 1344 were given ear and hearing assessments. MAIN OUTCOME MEASURES: OM diagnosis at 6 years of age (diagnosed by low-compliance tympanograms, 0-0.1 mmho). This was compared to OM diagnosed at the 3-year cohort follow-up using parent-report measures. Main exposure measures were duration of predominant breastfeeding (defined as the age other milk was introduced) and duration of partial (any) breastfeeding (defined as the age breastfeeding was stopped). RESULTS: There was a significant, independent association between predominant breastfeeding (OR = 1.33 [1.04, 1.69]; P = 0.02) and OM, and breastfeeding duration (OR = 1.35 [1.08, 1.68]; P = 0.01) with OM at 3 years of age. However, at 6 years of age, this relationship was no longer statistically significant (predominant breastfeeding OR = 0.78 [0.48, 1.06]; P = 0.09; duration of breastfeeding, OR = 1.34 [0.81, 2.23]; P = 0.25). CONCLUSIONS: Our findings are in line with a number of epidemiological studies which show a positive association between breastfeeding and OM in early childhood. However, the long-term follow-up of these children revealed that by 6 years of age, there was no significant influence of breastfeeding on presence of OM. These results suggest that the protective effect of predominant breastfeeding for at least 6 months does not extend to school-age children, where other social and environmental factors may be stronger predictors of OM.

dc.titleProtective benefit of predominant breastfeeding against otitis media may be limited to early childhood: results from a prospective birth cohort study
dc.typeJournal Article
dcterms.source.volume42
dcterms.source.number1
dcterms.source.startPage29
dcterms.source.endPage37
dcterms.source.issn1749-4486
dcterms.source.titleClinical Otolaryngology
curtin.departmentSchool of Physiotherapy and Exercise Science
curtin.accessStatusOpen access via publisher


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