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Decomposing Indigenous life expectancy gap by risk factors: a life table analysis.

Zhao Y, Wright J, Begg S, Guthridge S - Popul Health Metr (2013)

Bottom Line: The standard life table and cause decomposition technique was used to examine the individual and joint effects on health inequality.Improving socioeconomic status, smoking cessation, and overweight reduction are critical to closing the Indigenous LE gap.This paper presents a useful way to explain the impact of risk factors of health inequalities, and suggests that reducing poverty should be placed squarely at the centre of the strategies to close the Indigenous LE gap.

View Article: PubMed Central - HTML - PubMed

Affiliation: Health Gains Planning Branch, Northern Territory Department of Health, Darwin Plaza, 1st Floor, Smith St Mall, Darwin, NT 0801, Australia. yuejen.zhao@nt.gov.au.

ABSTRACT

Background: The estimated gap in life expectancy (LE) between Indigenous and non-Indigenous Australians was 12 years for men and 10 years for women, whereas the Northern Territory Indigenous LE gap was at least 50% greater than the national figures. This study aims to explain the Indigenous LE gap by common modifiable risk factors.

Methods: This study covered the period from 1986 to 2005. Unit record death data from the Northern Territory were used to assess the differences in LE at birth between the Indigenous and non-Indigenous populations by socioeconomic disadvantage, smoking, alcohol abuse, obesity, pollution, and intimate partner violence. The population attributable fractions were applied to estimate the numbers of deaths associated with the selected risks. The standard life table and cause decomposition technique was used to examine the individual and joint effects on health inequality.

Results: The findings from this study indicate that among the selected risk factors, socioeconomic disadvantage was the leading health risk and accounted for one-third to one-half of the Indigenous LE gap. A combination of all six selected risks explained over 60% of the Indigenous LE gap.

Conclusions: Improving socioeconomic status, smoking cessation, and overweight reduction are critical to closing the Indigenous LE gap. This paper presents a useful way to explain the impact of risk factors of health inequalities, and suggests that reducing poverty should be placed squarely at the centre of the strategies to close the Indigenous LE gap.

No MeSH data available.


Related in: MedlinePlus

Contribution of risk factors to Indigenous life expectancy gap for (a) male and (b) female by age group, 2001-2005.
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Figure 2: Contribution of risk factors to Indigenous life expectancy gap for (a) male and (b) female by age group, 2001-2005.

Mentions: Figure‚ÄČ2 demonstrates the contributions of the risk factors to the Indigenous life expectancy gap by age groups between 2001 and 2005. Clearly, the majority (85%) of the health risks that contribute to the LE gap were concentrated among people older than 35 years. The age and sex patterns of socioeconomic disadvantage, smoking, and obesity appear to be consistent with the age and sex patterns of the total LE gap.


Decomposing Indigenous life expectancy gap by risk factors: a life table analysis.

Zhao Y, Wright J, Begg S, Guthridge S - Popul Health Metr (2013)

Contribution of risk factors to Indigenous life expectancy gap for (a) male and (b) female by age group, 2001-2005.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3585166&req=5

Figure 2: Contribution of risk factors to Indigenous life expectancy gap for (a) male and (b) female by age group, 2001-2005.
Mentions: Figure‚ÄČ2 demonstrates the contributions of the risk factors to the Indigenous life expectancy gap by age groups between 2001 and 2005. Clearly, the majority (85%) of the health risks that contribute to the LE gap were concentrated among people older than 35 years. The age and sex patterns of socioeconomic disadvantage, smoking, and obesity appear to be consistent with the age and sex patterns of the total LE gap.

Bottom Line: The standard life table and cause decomposition technique was used to examine the individual and joint effects on health inequality.Improving socioeconomic status, smoking cessation, and overweight reduction are critical to closing the Indigenous LE gap.This paper presents a useful way to explain the impact of risk factors of health inequalities, and suggests that reducing poverty should be placed squarely at the centre of the strategies to close the Indigenous LE gap.

View Article: PubMed Central - HTML - PubMed

Affiliation: Health Gains Planning Branch, Northern Territory Department of Health, Darwin Plaza, 1st Floor, Smith St Mall, Darwin, NT 0801, Australia. yuejen.zhao@nt.gov.au.

ABSTRACT

Background: The estimated gap in life expectancy (LE) between Indigenous and non-Indigenous Australians was 12 years for men and 10 years for women, whereas the Northern Territory Indigenous LE gap was at least 50% greater than the national figures. This study aims to explain the Indigenous LE gap by common modifiable risk factors.

Methods: This study covered the period from 1986 to 2005. Unit record death data from the Northern Territory were used to assess the differences in LE at birth between the Indigenous and non-Indigenous populations by socioeconomic disadvantage, smoking, alcohol abuse, obesity, pollution, and intimate partner violence. The population attributable fractions were applied to estimate the numbers of deaths associated with the selected risks. The standard life table and cause decomposition technique was used to examine the individual and joint effects on health inequality.

Results: The findings from this study indicate that among the selected risk factors, socioeconomic disadvantage was the leading health risk and accounted for one-third to one-half of the Indigenous LE gap. A combination of all six selected risks explained over 60% of the Indigenous LE gap.

Conclusions: Improving socioeconomic status, smoking cessation, and overweight reduction are critical to closing the Indigenous LE gap. This paper presents a useful way to explain the impact of risk factors of health inequalities, and suggests that reducing poverty should be placed squarely at the centre of the strategies to close the Indigenous LE gap.

No MeSH data available.


Related in: MedlinePlus