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Proactive peer (mother-to-mother) breastfeeding support by telephone (Ringing Up about Breastfeeding earlY [RUBY]): a multicentre, unblinded, randomised controlled trial.

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Background: Breastfeeding rates are suboptimal internationally, and many infants are not receiving any breast milk at all by six months of age. Few interventions increase breastfeeding duration, particularly where there is relatively high initiation. The effect of proactive peer (mother-to-mother) support has been found to increase breastfeeding in some contexts but not others, but if it is shown to be effective would be a potentially sustainable model in many settings. We aimed to determine whether proactive telephone-based peer support during the postnatal period increases the proportion of infants being breastfed at six months of age. Methods: RUBY (Ringing Up about Breastfeeding earlY) was a multicentre, two-arm un-blinded randomised controlled trial conducted in three hospitals in Victoria, Australia. First-time mothers intending to breastfeed were recruited after birth and prior to hospital discharge, and randomly assigned (1:1) to usual care or usual care plus proactive telephone-based breastfeeding support from a trained peer volunteer for up to six months postpartum. A computerised random number program generated block sizes of four or six distributed randomly, with stratification by site. Research midwives were masked to block size, but masking of allocation was not possible. The primary outcome was the proportion of infants receiving any breast milk at six months of age. Analyses were by intention to treat; data were collected and analysed masked to group. The trial is registered with ACTRN, number 12612001024831. Findings: Women were recruited between Feb 14, 2013 and Dec 15, 2015 and randomly assigned to peer support (n = 574) or usual care (n = 578). Five were not in the primary analysis [5 post-randomisation exclusions]. Infants of women allocated to telephone-based peer support were more likely than those allocated to usual care to be receiving breast milk at six months of age (intervention 75%, usual care 69%; Adj. RR 1·10; 95% CI 1·02, 1·18). There were no adverse events. Interpretation: Providing first time mothers with telephone-based support from a peer with at least six months personal breastfeeding experience is an effective intervention for increasing breastfeeding maintenance in settings with high breastfeeding initiation. Funding: The Felton Bequest, Australia, philanthropic donation and La Trobe University grant.

Funding

This study was funded by a philanthropic donation from the Felton Bequest, and by La Trobe University. The Australian Breastfeeding Association (ABA) also contributed many hours of in-kind support, and we particularly acknowledge the extensive voluntary support provided by Julie Taylor. We would like to thank the women and peer volunteers who agreed to participate in the RUBY study. We are also grateful for the tireless work of the numerous research midwives and assistants, (Laura Biggs, Amy Brett, Bethany Carr (Gunston), Kate Dawson, Laura Durham, Taleigha Emmerson, Rachael Ford, Catherine Hannon, Rebecca Hyde, Belinda Jack, Katie James, Jennifer Jarman, Helene Johns, Kylie Johnston, Tanya Longmore, Stephanie Mahon, Lynnelle Moran, Carmel Mathews, Robyn Matthews, Rhiannon McArthur, Olivia McLardieHore, Prue McLardie-Hore, Lynnelle Moran, Eleanor Pallett, Renee Rogers, Sepidah Roshanaei, Therese Ryan, Jenny Saal, Charlene Smithson, and Sue Veljanovski) as well as the research assistant volunteers who worked on the study and for the support and assistance of the staff at the recruitment sites. We also thank themembers of the DataMonitoring Committee (Mary Anne Biro, Jane Morrow and Cattram Nguyen).

History

Publication Date

01/02/2019

Journal

EClinicalMedicine

Volume

8

Pagination

(p. 20-28)

Publisher

The Lancet

ISSN

2589-5370

Rights Statement

© 2019 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).