Table 2.

Social return on investment (SROI) of public health interventions: birth, neonatal period, postnatal period and infancy

Reference	Public health topic	Country	Population	Aim of Intervention	Crude SROI ratio for assessed time horizon	Quality score
Hanafin et al. 2019 [31]	Breastfeeding	Ireland	Mothers	Groups aimed to provide support, knowledge and advice to breastfeeding mothers and through that to improve maternal confidence and capacity to breastfeed.	€15.85/€1 invested	8
Arvidson, Battye and Salisbury. 2013 [32]	Post-natal depression	England	Families affected by post-natal depression (PND)	To provide high-quality community-based support to those affected by PND. To raise awareness of PND amongst health professionals. To recruit and train local people to provide volunteer-led support services.	£6.50/£1 invested	7