Using Sankey diagrams to visually depict the service journeys of criminally exploited children

Maxwell, Nina ORCID: https://orcid.org/0000-0003-3931-7729, Cserző, Dorottya ORCID: https://orcid.org/0000-0003-2676-9427, Liao, Lois, Wang, Ting, Toby, Roshan and Evans, Hywel 2025. Using Sankey diagrams to visually depict the service journeys of criminally exploited children. Presented at: ADR Conference: From records to research: Harnessing administrative data to enhance lives, Cardiff, Wales, 17-18 September 2025.

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Abstract

Objectives Despite growing awareness of child criminal exploitation, there is little evidence about how to identify and respond effectively. This study explored the feasibility of linking service data with routinely collected administrative datasets for children in one Welsh local authority. The aim was to map service journeys to inform service provision. Method Data was extracted from local authority service records for the 163 children who were referred to an exploitation meeting between 2021 and 2023. This data was linked to routinely collected administrative datasets from health, education and social services, five years before referral and up to two years afterwards. Quantitative data was analysed using Sankey diagrams which are visual representations of complex information using nodes and links between nodes. Nodes included school exclusion, living arrangements, care status and service provider. Nodes were identified through qualitative analysis of the service records and consultation with professionals from health, children’s services, police and youth justice. Results Descriptive statistics showed that most children referred to an exploitation meeting were male with a median age of 16. Further analysis revealed that females were more likely to be recorded as known to child protection whereas males were recorded in a wider range of service categories, including subject to child protection, known to child protection, in need of care and support, or looked after. Information regarding ethnicity, nationality, additional learning need and missing episodes was frequently missing. The feasibility of using latent class analysis will be discussed and Sankey diagrams will be presented to illustrate referral routes, service pathways and outcomes for sub-groups. Conclusion To our knowledge, this is the first time Sankey diagrams have been used to map service and referral journeys in linked social care data. These findings are contributing to evidence-informed practice about criminally exploited children and what service pathways are more effective in relation to their circumstances.

Item Type:	Conference or Workshop Item (Paper)
Status:	Unpublished
Schools:	Schools > Social Sciences (Includes Criminology and Education) Research Institutes & Centres > Children’s Social Care Research and Development Centre (CASCADE)
Subjects:	H Social Sciences > H Social Sciences (General)
Funders:	Health and Care Research Wales
Date of Acceptance:	11 June 2025
Last Modified:	13 Nov 2025 11:45
URI:	https://orca.cardiff.ac.uk/id/eprint/182352

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