Skip to main content
Top
Published in: BMC Public Health 1/2014

Open Access 01-12-2014 | Research article

A review of life expectancy and infant mortality estimations for Australian Aboriginal people

Authors: Bronwen Phillips, Stephen Morrell, Richard Taylor, John Daniels

Published in: BMC Public Health | Issue 1/2014

Login to get access

Abstract

Background

Significant variation exists in published Aboriginal mortality and life expectancy (LE) estimates due to differing and evolving methodologies required to correct for inadequate recording of Aboriginality in death data, under-counting of Aboriginal people in population censuses, and unexplained growth in the Aboriginal population attributed to changes in the propensity of individuals to identify as Aboriginal at population censuses.
The objective of this paper is to analyse variation in reported Australian Aboriginal mortality in terms of LE and infant mortality rates (IMR), compared with all Australians.

Methods

Published data for Aboriginal LE and IMR were obtained and analysed for data quality and method of estimation. Trends in reported LE and IMR estimates were assessed and compared with those in the entire Australian population.

Results

LE estimates derived from different methodologies vary by as much as 7.2 years for the same comparison period. Indirect methods for estimating Aboriginal LE have produced LE estimates sensitive to small changes in underlying assumptions, some of which are subject to circular reasoning. Most indirect methods appear to under-estimate Aboriginal LE. Estimated LE gaps between Aboriginal people and the overall Australian population have varied between 11 and 20 years.
Latest mortality estimates, based on linking census and death data, are likely to over-estimate Aboriginal LE.
Temporal LE changes by each methodology indicate that Aboriginal LE has improved at rates similar to the Australian population overall. Consequently the gap in LE between Aboriginal people and the total Australian population appears to be unchanged since the early 1980s, and at the end of the first decade of the 21st century remains at least 11–12 years.
In contrast, focussing on the 1990–2010 period Aboriginal IMR declined steeply over 2001–08, from more than 12 to around 8 deaths per 1,000 live births, the same level as Australia overall in 1993–95. The IMR gap between Aboriginal people and the total Australian population, while still unacceptable, has declined considerably, from over 8 before 2000 to around 4 per 1,000 live births by 2008.

Conclusions

Regardless of estimation method used, mortality and LE gaps between Aboriginal and non-Aboriginal people are substantial, but remain difficult to estimate accurately.
Appendix
Available only for authorised users
Literature
1.
go back to reference NSW Department of Health: Communicating positively: A Guide to Appropriate Aboriginal Terminology. 2004, Sydney: NSW Health, NSW Department of Health: Communicating positively: A Guide to Appropriate Aboriginal Terminology. 2004, Sydney: NSW Health,
3.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2010. 2010, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2010. 2010, Canberra: ABS, Cat. No. 3302.0,
4.
go back to reference Australian Bureau of Statistics: Discussion Paper: Assessment of Methods for Developing Life Tables for Aboriginal and Torres Strait Islander Australians. Australia 2006. 2008, Canberra: ABS, ABS Catalogue No. 3302.0.55.002, Australian Bureau of Statistics: Discussion Paper: Assessment of Methods for Developing Life Tables for Aboriginal and Torres Strait Islander Australians. Australia 2006. 2008, Canberra: ABS, ABS Catalogue No. 3302.0.55.002,
5.
go back to reference Australian Bureau of Statistics: Population Characteristics, Aboriginal and Torres Strait Islander Australians. 2010, Canberra: Australian Bureau of Statistics, 4713.0, Australian Bureau of Statistics: Population Characteristics, Aboriginal and Torres Strait Islander Australians. 2010, Canberra: Australian Bureau of Statistics, 4713.0,
6.
go back to reference Council of Australian Governments (COAG): National Partnership Agreement on Closing the Gap in Indigenous Health Outcomes. 2008, Canberra: COAG, Council of Australian Governments (COAG): National Partnership Agreement on Closing the Gap in Indigenous Health Outcomes. 2008, Canberra: COAG,
7.
go back to reference Council of Australian Governments (COAG): National Indigenous Reform Agreement (Closing the Gap). 2008, Canberra: COAG, Council of Australian Governments (COAG): National Indigenous Reform Agreement (Closing the Gap). 2008, Canberra: COAG,
9.
go back to reference Anderson P, Bhatia K, Cunningham J: Mortality of Indigenous Australians. 1996, Canberra: (AUST): Australian Bureau of Statistics; Occasional Paper, Cat No. 3315.0, Anderson P, Bhatia K, Cunningham J: Mortality of Indigenous Australians. 1996, Canberra: (AUST): Australian Bureau of Statistics; Occasional Paper, Cat No. 3315.0,
11.
go back to reference Gray N, Bailie R: Can human rights discourse improve the health of Indigenous Australians?. Aust N Z J Public Health. 2006, 30 (5): 448-452. 10.1111/j.1467-842X.2006.tb00462.x.CrossRefPubMed Gray N, Bailie R: Can human rights discourse improve the health of Indigenous Australians?. Aust N Z J Public Health. 2006, 30 (5): 448-452. 10.1111/j.1467-842X.2006.tb00462.x.CrossRefPubMed
13.
go back to reference Hogg RS: Indigenous mortality: placing Australian aboriginal mortality within a broader context. Soc Sci Med. 1992, 35 (3): 335-346. 10.1016/0277-9536(92)90030-T.CrossRefPubMed Hogg RS: Indigenous mortality: placing Australian aboriginal mortality within a broader context. Soc Sci Med. 1992, 35 (3): 335-346. 10.1016/0277-9536(92)90030-T.CrossRefPubMed
15.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 1999. 2000, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 1999. 2000, Canberra: ABS, Cat. No. 3302.0,
16.
go back to reference Australian Bureau of Statistics: Experimental Life Tables for Aboriginal and Torres Strait Islander Australians, 2005–2007. 2009, Canberra: Australian Bureau of Statistics, ABS cat. no. 3302.0.55.003, Australian Bureau of Statistics: Experimental Life Tables for Aboriginal and Torres Strait Islander Australians, 2005–2007. 2009, Canberra: Australian Bureau of Statistics, ABS cat. no. 3302.0.55.003,
17.
go back to reference Australian Institute of Health and Welfare: The Health and Welfare of Australia’s Aboriginal and Torres Strait Islander people, An Overview 2011. 2011, Canberra: AIHW, Australian Institute of Health and Welfare: The Health and Welfare of Australia’s Aboriginal and Torres Strait Islander people, An Overview 2011. 2011, Canberra: AIHW,
18.
go back to reference Wilson T, Condon J, Barnes T: Northern Territory Indigenous life expectancy improvements, 1967–2004. Aust N Z J Public Health. 2007, 31 (2): 184-188. 10.1111/j.1753-6405.2007.00039.x.CrossRefPubMed Wilson T, Condon J, Barnes T: Northern Territory Indigenous life expectancy improvements, 1967–2004. Aust N Z J Public Health. 2007, 31 (2): 184-188. 10.1111/j.1753-6405.2007.00039.x.CrossRefPubMed
19.
go back to reference Zhao Y, Dempsey K: Causes of inequality in life expectancy between Indigenous and non-Indigenous people in the Northern Territory, 1981–2000: a decomposition analysis. Med J Aust. 2006, 184 (10): 490-494.PubMed Zhao Y, Dempsey K: Causes of inequality in life expectancy between Indigenous and non-Indigenous people in the Northern Territory, 1981–2000: a decomposition analysis. Med J Aust. 2006, 184 (10): 490-494.PubMed
20.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2006. 2007, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2006. 2007, Canberra: ABS, Cat. No. 3302.0,
21.
go back to reference Australian Bureau of Statistics: Demography Working Paper 2001/4 - Issues in Estimating the Indigenous Population, 2001. 2001, Canberra: ABS, 3126.0, Australian Bureau of Statistics: Demography Working Paper 2001/4 - Issues in Estimating the Indigenous Population, 2001. 2001, Canberra: ABS, 3126.0,
22.
go back to reference Australian Bureau of Statistics: Demography Working Paper 2004/3 - Calculating Experimental Life Tables for Use in Population Estimates and Projections of Aboriginal and Torres Strait Islander Australians, 1991 to 2001. 2004, Canberra: (AUST): ABS, Cat. No. 3106.0.55.003, Australian Bureau of Statistics: Demography Working Paper 2004/3 - Calculating Experimental Life Tables for Use in Population Estimates and Projections of Aboriginal and Torres Strait Islander Australians, 1991 to 2001. 2004, Canberra: (AUST): ABS, Cat. No. 3106.0.55.003,
23.
go back to reference Australian Bureau of Statistics: Information paper: Census data enhancement - Indigenous mortality quality study. 2008, Canberra: ABS, Cat. No. 4723.0, Australian Bureau of Statistics: Information paper: Census data enhancement - Indigenous mortality quality study. 2008, Canberra: ABS, Cat. No. 4723.0,
24.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2001. 2002, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2001. 2002, Canberra: ABS, Cat. No. 3302.0,
25.
go back to reference Australian Bureau of Statistics: Standards for Statistics on Cultural and Language Diversity. 1999, Canberra: ABS, Cat. No 1289.0, Australian Bureau of Statistics: Standards for Statistics on Cultural and Language Diversity. 1999, Canberra: ABS, Cat. No 1289.0,
26.
go back to reference Gray A: The explosion of Aboriginality: Components of Indigenous Population Growth 1991–96. 1997, Canberra: The Australian National University, Gray A: The explosion of Aboriginality: Components of Indigenous Population Growth 1991–96. 1997, Canberra: The Australian National University,
27.
go back to reference Taylor J: The contemporary demography of indigenous Australians. J Aust Popul Assoc. 1997, 14: 77-114.PubMed Taylor J: The contemporary demography of indigenous Australians. J Aust Popul Assoc. 1997, 14: 77-114.PubMed
28.
go back to reference Barnes T, Smith L, Zhao Y, Guthridge S: A Comparative Analysis of Indirect Methodologies for Estimating Indigenous Life Expectancy. 2008, Darwin: Charles Darwin University, Barnes T, Smith L, Zhao Y, Guthridge S: A Comparative Analysis of Indirect Methodologies for Estimating Indigenous Life Expectancy. 2008, Darwin: Charles Darwin University,
29.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 1993. 1994, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 1993. 1994, Canberra: ABS, Cat. No. 3302.0,
30.
go back to reference Australian Bureau of Statistics (ABS): The Health and Welfare of Australia’s Aboriginal and Torres Strait Islander Peoples. 2010, Canberra: Australian Bureau of Statistics, 4704.0, Australian Bureau of Statistics (ABS): The Health and Welfare of Australia’s Aboriginal and Torres Strait Islander Peoples. 2010, Canberra: Australian Bureau of Statistics, 4704.0,
31.
go back to reference Hunter B: Assessing the validity of intercensal comparisons of indigenous Australians, 1986–96. J Aust Popul Assoc. 1998, 15: 51-67.PubMed Hunter B: Assessing the validity of intercensal comparisons of indigenous Australians, 1986–96. J Aust Popul Assoc. 1998, 15: 51-67.PubMed
32.
go back to reference Ross K: Occasional Paper: Population Issues, Indigenous Australians, 1996. 1999, Canberra: Australian Government Publishing Service, Commonwealth of Australia, Ross K: Occasional Paper: Population Issues, Indigenous Australians, 1996. 1999, Canberra: Australian Government Publishing Service, Commonwealth of Australia,
33.
go back to reference Cunningham J, Paradies Y: Mortality of Aboriginal and Torres Strait Islander Australians. 1997, Canberra: Australian Bureau of Statistics, Occasional Paper Cat No. 3315.0 2000 Cunningham J, Paradies Y: Mortality of Aboriginal and Torres Strait Islander Australians. 1997, Canberra: Australian Bureau of Statistics, Occasional Paper Cat No. 3315.0 2000
34.
go back to reference Australian Bureau of Statistics: Experimental Estimates and Projections, Aboriginal and Torres Strait Islander Australians, 1991–2021. 2009, Canberra: ABS, Cat. No. 3238.0, Australian Bureau of Statistics: Experimental Estimates and Projections, Aboriginal and Torres Strait Islander Australians, 1991–2021. 2009, Canberra: ABS, Cat. No. 3238.0,
35.
go back to reference Bhat PM: General growth balance method: a reformulation for populations open to migration. Popul Stud. 2002, 56: 23-34. 10.1080/00324720213798.CrossRef Bhat PM: General growth balance method: a reformulation for populations open to migration. Popul Stud. 2002, 56: 23-34. 10.1080/00324720213798.CrossRef
36.
go back to reference Taylor R, Lewis M, Powles J: The Australian mortality decline: cause-specific mortality 1907–1990. Aust N Z J Public Health. 1998, 22: 37-44. 10.1111/j.1467-842X.1998.tb01142.x.CrossRefPubMed Taylor R, Lewis M, Powles J: The Australian mortality decline: cause-specific mortality 1907–1990. Aust N Z J Public Health. 1998, 22: 37-44. 10.1111/j.1467-842X.1998.tb01142.x.CrossRefPubMed
37.
go back to reference Preston S, Hill K: Estimating the completeness of death registration. Popul Stud. 1980, 34: 349-366.CrossRef Preston S, Hill K: Estimating the completeness of death registration. Popul Stud. 1980, 34: 349-366.CrossRef
38.
go back to reference Brass W: Methods of Estimating Fertility and Mortality from Limited and Defective Data. 1975, Chapel Hill: Laboratories for Population Studies, Carolina Population Centre, Brass W: Methods of Estimating Fertility and Mortality from Limited and Defective Data. 1975, Chapel Hill: Laboratories for Population Studies, Carolina Population Centre,
39.
go back to reference Gray A, Tesfaghiorghis H: Aboriginal population prospects. J Aust Popul Assoc. 1993, 10 (2): 81-99.PubMed Gray A, Tesfaghiorghis H: Aboriginal population prospects. J Aust Popul Assoc. 1993, 10 (2): 81-99.PubMed
41.
go back to reference Hill K: Estimating census and death registration completeness. Asian Pac Popul Forum. 1987, 1 (3): 23-4. Hill K: Estimating census and death registration completeness. Asian Pac Popul Forum. 1987, 1 (3): 23-4.
42.
go back to reference Kinfu Y, Taylor J: Estimating the Components of Indigenous Population Change, 1996–2001. 2002, Canberra: Centre for Aboriginal Economic Policy Research, Australian National University, Kinfu Y, Taylor J: Estimating the Components of Indigenous Population Change, 1996–2001. 2002, Canberra: Centre for Aboriginal Economic Policy Research, Australian National University,
43.
go back to reference Jain S, Shahidullah M: Indigenous mortality estimation: an application of Bhat’s recent reformulation of Brass Growth Balance Equation. Population and Society: Issues, Research, Policy. 2004, Canberra: Australian Population Association, 12th biennial conference, Jain S, Shahidullah M: Indigenous mortality estimation: an application of Bhat’s recent reformulation of Brass Growth Balance Equation. Population and Society: Issues, Research, Policy. 2004, Canberra: Australian Population Association, 12th biennial conference,
44.
go back to reference Vos T, Barker B, Stanley L, Lopez A: The Burden of Disease and Injury in Aboriginal and Torres Strait Islander peoples 2003. 2007, Brisbane: School of Population Health, The University of Queensland, Vos T, Barker B, Stanley L, Lopez A: The Burden of Disease and Injury in Aboriginal and Torres Strait Islander peoples 2003. 2007, Brisbane: School of Population Health, The University of Queensland,
45.
go back to reference Hill K, Queiroz B: Adjusting the general growth balance method for migration. Revista Brasileira de Estudos de Populacao. 2010, 27: 7-20. 10.1590/S0102-30982010000100002.CrossRef Hill K, Queiroz B: Adjusting the general growth balance method for migration. Revista Brasileira de Estudos de Populacao. 2010, 27: 7-20. 10.1590/S0102-30982010000100002.CrossRef
46.
go back to reference Madden R, Tickle L, Pulver LJ: Ring: Estimating Indigenous life expectancy: pitfalls with consequences. J Popul Res. 2012, 29 (3): 269-281. 10.1007/s12546-012-9085-6.CrossRef Madden R, Tickle L, Pulver LJ: Ring: Estimating Indigenous life expectancy: pitfalls with consequences. J Popul Res. 2012, 29 (3): 269-281. 10.1007/s12546-012-9085-6.CrossRef
47.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2009. 2010, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2009. 2010, Canberra: ABS, Cat. No. 3302.0,
48.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 1998. 1998, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 1998. 1998, Canberra: ABS, Cat. No. 3302.0,
49.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2003. 2004, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2003. 2004, Canberra: ABS, Cat. No. 3302.0,
50.
go back to reference Australian Bureau of Statistics: Deaths, Australia, 2008. 2009, Canberra: ABS, Cat. No. 3302.0, Australian Bureau of Statistics: Deaths, Australia, 2008. 2009, Canberra: ABS, Cat. No. 3302.0,
51.
go back to reference Australian Bureau of Statistics: Demography 1971. 1974, Canberra: ABS, Bulletin No. 87, Australian Bureau of Statistics: Demography 1971. 1974, Canberra: ABS, Bulletin No. 87,
52.
go back to reference Australian Institute of Health and Welfare: Mortality over the Twentieth Century in Australia – Trends and Patterns in Major Causes of Death. 2006, Canberra: AIHW, AIHW cat. no. PHE 73, Australian Institute of Health and Welfare: Mortality over the Twentieth Century in Australia – Trends and Patterns in Major Causes of Death. 2006, Canberra: AIHW, AIHW cat. no. PHE 73,
53.
go back to reference Morrell S, Phillips B, Taylor R, Daniels J, Burgess K, Mayers N: Mortality in an Aboriginal medical service (Redfern) cohort. Popul Health Metrics. 2012, 11: 2-CrossRef Morrell S, Phillips B, Taylor R, Daniels J, Burgess K, Mayers N: Mortality in an Aboriginal medical service (Redfern) cohort. Popul Health Metrics. 2012, 11: 2-CrossRef
54.
go back to reference Gray M, Hunter B, Taylor J: Health Expenditure, Income and Health Status among Indigenous and other Australians. 2002, Canberra: Centre for Aboriginal Policy Research, Australian National University, Gray M, Hunter B, Taylor J: Health Expenditure, Income and Health Status among Indigenous and other Australians. 2002, Canberra: Centre for Aboriginal Policy Research, Australian National University,
55.
go back to reference Australian Institute of Health and Welfare: Aboriginal and Torres Strait Islander Health Performance Framework 2008 Report, Detailed Analyses. 2008, Canberra: AIHW, Cat. No. IHW 22, Australian Institute of Health and Welfare: Aboriginal and Torres Strait Islander Health Performance Framework 2008 Report, Detailed Analyses. 2008, Canberra: AIHW, Cat. No. IHW 22,
56.
go back to reference Australian Institute of Health and Welfare: Comparing Life Expectancy of Indigenous People in Australia, New Zealand, Canada and the United States: Conceptual, Methodological and Data Issues. 2011, Canberra: AIHW, Australian Institute of Health and Welfare: Comparing Life Expectancy of Indigenous People in Australia, New Zealand, Canada and the United States: Conceptual, Methodological and Data Issues. 2011, Canberra: AIHW,
57.
go back to reference Chiang C: Life Table and Mortality Analysis. 1978, World Health Organisation, Chiang C: Life Table and Mortality Analysis. 1978, World Health Organisation,
58.
go back to reference Australian Institute of Health and Welfare: An Enhanced Mortality Database for Estimating Indigenous Life Expectancy: A Feasibility Study. 2012, Canberra: AIHW, Cat. No. IHW 75, Australian Institute of Health and Welfare: An Enhanced Mortality Database for Estimating Indigenous Life Expectancy: A Feasibility Study. 2012, Canberra: AIHW, Cat. No. IHW 75,
59.
go back to reference Jackson Pulver LR, Bush A, Ward J: Identification of Aboriginal and Torres Strait Islander women using an urban obstetric hospital. Aust Health Rev. 2003, 26 (2): 19-25. 10.1071/AH030019.CrossRefPubMed Jackson Pulver LR, Bush A, Ward J: Identification of Aboriginal and Torres Strait Islander women using an urban obstetric hospital. Aust Health Rev. 2003, 26 (2): 19-25. 10.1071/AH030019.CrossRefPubMed
Metadata
Title
A review of life expectancy and infant mortality estimations for Australian Aboriginal people
Authors
Bronwen Phillips
Stephen Morrell
Richard Taylor
John Daniels
Publication date
01-12-2014
Publisher
BioMed Central
Published in
BMC Public Health / Issue 1/2014
Electronic ISSN: 1471-2458
DOI
https://doi.org/10.1186/1471-2458-14-1

Other articles of this Issue 1/2014

BMC Public Health 1/2014 Go to the issue