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Table 1 Comparison of variables used in each of the four identified indexes

From: A review of rural and remote health service indexes: are they relevant for the development of an Australian rural birth index?

Index 1. Rural birth index [ [17]] 2. Trauma model [ [24]] 3. Index of rural access [ [23]] 4. Cardiac aria index [ [22]]
Service Maternity Trauma GP* services Cardiac emergency & cardiac rehabilitation
Level or capability of service levels of maternity service dependent on level of staff and procedural care available Level of trauma service- I,II,III- complexity of trauma care Primary care services **AIHW Hospital types large -small including community level services
Population Rural British Columbia, Canada Rural British Columbia, Canada Rural Victoria, Australia Total Australian- rural and urban pop locations (20,387)
Catchment 60 minute to a ***CS service 60 minute to a trauma service Ration of *GPs to population in a 60 minute catchment Population access to a service within 60 minutes for an emergency cardiac response
Index Specific Birth numbers within the 60 minute catchment of a service with ***CS capability Risk of trauma, ^SES and access to trauma service Ratio of *GP services to population in a 60 minute catchment Access to emerg care in a cardiac event and for cardiac rehabilitation
Isolation Seven categories of time <30 min- >4 hrs to a service with CS capability travel time to trauma centre- highest quintile of need assigned to least serviced communities (metro excluded) 60 min catchments- ‘distance decay’ after 10 minutes Decreasing levels of services as remoteness increases- 8 levels hospital
Vulnerability 1 data set ^SES advantage-disadvantage ^^VANDIX ^^^SEFI 6 SES measures that impact health outcomes including: Indigenous & #CALD included N/A
^SES vulnerability to trauma
Emergency treatment one hour an important threshold for emergency care One hour critical time to treatment for trauma N/A One hour critical time to treatment in a cardiac event
  1. *GP– general practitioner, **AIHW- Australian Institute of Health and Welfare, ***CS- caesarean section.
  2. ^SES Socioeconomic status, ^^VANDIX- Vancouver Area Neighbourhood Deprivation Index, ^^^SEFI- Socioeconomic Factor Index.
  3. #CALD- culturally and linguistically different.