Table 5.

Social return on investment (SROI) of public health interventions: Older adulthood

Reference	Public health topic	Country	Population	Intervention	Crude SROI ratio for assessed time horizon	Quality score
Bosco et al 2019 [58]	Mental well-being	England	Residents of residential care homes, with and without dementia	To experiment with the delivery of high-quality arts interventions in care homes, to understand the impact on quality of life, mental well-being and general health of stakeholders.	£1.20/£1 invested	10
Health Innovation Network 2015 [59]	Mental well-being	England	Individuals with dementia, carers, families and others associated with the group.	To provide peer support for people with dementia through providing a facilitated environment for people to meet and socialise, with a variety of dementia appropriate activities to engage group members.	Ranged from £1.17 - £5.18/£1 invested dependent on design and structure of the group	7
House of Memories 2014 [60]	Mental well-being	England	Residential carers	To provide health, social care and housing workforce with practical skills and resources to help people live well with dementia.	£8.66/£1 invested	9
Jones, Windle and Tudor Edwards 2018 [61]	Mental well-being	England and Wales	Individuals living with dementia	A visual arts programme for people living with dementia to improve their mental health and well-being.	£5.18/£1 invested	10
Social Value Lab 2011 [62]	Social isolation and loneliness	England	Elderly population	To reduce the isolation and loneliness experienced by older people, to enable them to make positive lifestyle changes.	£8.27/£1 invested	10
Stay Well at Home 2012 [63]	Social isolation and loneliness	England	Older people at risk of losing their independence	To help older people maintain their independence and improve their quality of life.	£11/£1 invested	5