File 540"Research based on linked records has the potential to make a major contribution to our understanding of the factors influencing disease, disability and death and ... in the evaluation of health services. Record linkageA complex technique for connecting data records within and between datasets using demographic data (e.g. name, date of birth, address, sex, medical record number). maximises the use of available dataCan refer to: (1) the demographic data used in the Data Linkage process; or (2) information pertaining to services provided to people or their clinical information (available only from Data Custodians, including via CARES)., makes feasible follow-up studies of large samples at low cost, permits retrospective studies to be conducted many years after exposure to some agent has taken place, minimises loss to follow-up and eliminates burden on respondents and reliance on self-reported data." (Sibthorpe et al, 1995).

The Summary Report of the Research Outputs Project, including a list of project outputs from 1995 to 2003 is available here Summary of Research Outputs Project (pdf format, 546kB).


Please note that all draft publications and reports resulting from the analysis of linked data must be sent to the DLBData Linkage Branch: the specialist team at the Department of Health who are responsible for developing and maintaining the WA Data Linkage System, performing data linkage, and the facilitation of access to linked data., allowing 14 days for comment. To submit a draft for review, please email the document (preferably in Word format) to Tom Eitelhuber at

The DLB and Data Collections must also be acknowledged in publications for providing the data. For examples on how to write such acknowledgements, please see the FAQs page.