Data Linkage: Admitted Patient and Hospital Data

Women’s Health Australia has Admitted Patient/Hospital data from some States and Territories linked to survey data for the 1921-26, 1946-51, and 1973-78 cohorts. The 1989-95 cohort has its data linked to the Western Australian Admitted Patient data only. Each State and Territory dataset is distinct in terms of its data contents and date ranges.

In South Australia, only women who explicitly gave consent were linked to the survey data. In all other States and Territories women who did not opt out of data linkage had their Admitted Patient data linked to their survey data. 

NSW and ACT 

  • Admitted Patient data from NSW and ACT were linked in 2013.
  • Opt-outs from the NSW and ACT linkage included:
    • 329 women from the 1921-26 cohort,
    • 796 women from the 1946-51 cohort, and
    • 731 women from the 1973-78 cohort.

NSW Admitted Patient Data Collection

  • The NSW Admitted Patient Data Collection includes records for all hospital separations from all NSW public and private hospitals and day procedure centres.
  • There are 70,947 records from 10,496 individuals.
  • The earliest record is 2 January 1997 and the latest record is 30 September 2013.

ACT Admitted Patient Care

  • The ACT Admitted Patient Care data records all inpatients from all public and private hospitals in ACT.
  • There are 1060 records from 354 individuals.
  • The earliest record is 02 July 2004 and the latest record is 17 June 2013.

Western Australia

  • Admitted Patients data (56,333 records from 5,500 individuals) and Emergency Department (24,414 records from 1,574 individuals) from Western Australia were linked in 2016.
  • The earliest record is 01 January 1970 and the latest record is 31 December 2013.
  • Opt-outs included:
    • 356 women from the 1921-26 cohort,
    • 753 women from the 1946-51 cohort,
    • 736 women from the 1973-78 cohort, and
    • 147 women from the 1989-95 cohort.

Queensland

  • Admitted Patients data (26,438 records from 6395 individuals) from Queensland were linked in 2012.
  • The earliest record is 15 March 2002 and the latest record is 15 December 2011.
  • Opt-outs included:
    • 584 women from the 1921-26 cohort,
    • 804 women from the 1946-51 cohort, and
    • 1089 opt-outs from the 1973-78 cohort.

South Australia

  • Admitted Patients data (4957 records from 1249 individuals) data from South Australia were linked in 2013.
  • The earliest record is 28 June 2001 and the latest record is 29 June 2011.
  • Women who did not consent to linkage included:
    • 6756 women from the 1921-26 cohort, 
    • 4460 women from the 1946-51 cohort, and
    • 6038 women from the 1973-78 cohort.

 

Resources

In addition to the resources detailed below, there are other documents including the Data Linkage Report that will be available to investigators on delivery of data.

Download File Type
List of Australian Capital Territory Admitted Patient Variables PDF
List of New South Wales Admitted Patient Variables PDF
List of Queensland Admitted Patient Variables PDF
List of South Australian Admitted Patient Variables PDF
List of Western Australian Admitted Patient Variables PDF