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Research Article: Is proactive telephone-based breastfeeding peer support a cost-effective intervention? A within-trial cost-effectiveness analysis of the ‘Ringing Up about Breastfeeding earlY’ (RUBY) randomised controlled trial

Date Published: 2023-06-08

Abstract:
Objective The ‘Ringing Up about Breastfeeding earlY’ (RUBY) randomised controlled trial showed increased breastfeeding at 6 months in participants who received the proactive telephone-based peer support breastfeeding intervention compared with participants allocated to receive standard care and supports. The present study aimed to evaluate if the intervention was cost-effective. Design A within-trial cost-effectiveness analysis. Setting Three metropolitan maternity services in Melbourne, Victoria, Australia. Participants First time mothers intending to breastfeed their infant (1152) and peer volunteers (246). Intervention The intervention comprised proactive telephone-based support from a peer volunteer from early postpartum up to 6 months. Participants were allocated to usual care (n=578) or the intervention (n=574). Main outcome measures Costs during a 6-month follow-up period including individual healthcare, breastfeeding support and intervention costs in all participants, and an incremental cost-effectiveness ratio. Results Costs per mother supported were valued at $263.75 (or $90.33 excluding costs of donated volunteer time). There was no difference between the two arms in costs for infant and mothers in healthcare and breastfeeding support costs. These figures result in an incremental cost-effectiveness ratio of $4146 ($1393 if volunteer time excluded) per additional mother breast feeding at 6 months. Conclusion Considering the significant improvement in breastfeeding outcomes, this intervention is potentially cost-effective. These findings, along with the high value placed on the intervention by women and peer volunteers provides robust evidence to upscale the implementation of this intervention. Trial registration number ACTRN12612001024831.

Introduction:
The health and economic benefits of breastfeeding at an individual and population level are undeniable, and are a vital impetus to increase the rate of breastfeeding worldwide to attain the Sustainable Development Goals (SDG) of improved nutrition (SDG 2), prevention of child mortality (SDG 3) and support of cognitive development (SDG 4), by 2030. 1 Breastfeeding offers protective effects for infants against disease, 2 and extends a health promotion effect through a reduction in the risk of developing obesity 3…

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