- Data used to generate heat related vulnerability index and emergency health outcomes are collected at postal area level.
- Vulnerability Index was a composite index of three risk categories: demographic, environmental
and health. The demographic variables included information
about the distribution of high-risk age groups, the numbers of aged care
facilities, socioeconomic status, older persons living alone, and the
prevalence of ethnic groups. The environmental variables included
information about dwelling type, population density per square kilometre, land
cover, and a measure of the urban heat island. The health variables included
were the proportion of residents with a disability and accessibility to
- Emergency health outcomes were obtained from State Ambulance Services and State Health Departments. They were selected depending on data availability: 1) emergency ambulance callouts, 2) emergency department (ED) presentations and corresponding triage category, and 3) emergency hospital admissions. Emergency ambulance data included all callouts other than those for patient transfers. Emergency hospital admissions included all admissions other than those for elective procedures.