Improving opportunities for data linkage within Children Looked After administrative records in Wales.

ABSTRACT:

Introduction

Linkage of population-based administrative data is a powerful tool for studying important public issues. To overcome confidentiality and disclosure issues, records are de-identified and allocated a unique identifier. Within the Secure Anonymised Information Linkage (SAIL) Databank, these are known as Anonymised Linking Fields (ALFs). Assignment of an ALF enables linkage of individuals across multiple routinely collected datasets. Within the Children Looked After (CLA) Wales dataset, only 37% of the children have an ALF, limiting linkage to other datasets and, as a result, potential research. There are also other known data issues, including discrepancies with the week of births, duplicate identifiers and year-on-year changes in identifiers. Objectives To improve accura

SUBMITTER: Bailey GA 

PROVIDER: S-EPMC12502067 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature