Low-income earners are more likely to die early from preventable diseases

Low-income earners are more likely to die early from preventable diseases
If you’re unable to work as much as you want, you can’t build your wealth, so it’s much tougher to improve your health. Credit: SeventyFour/Shutterstock

Australians with lower incomes are dying sooner from potentially preventable diseases than their wealthier counterparts, according to our new report.

Australia's Health Tracker by Socioeconomic Status, released today, tracks health risk factors, and by socioeconomic status. It shows that over the past four years, 49,227 more people on lower incomes have died from chronic diseases – such as diabetes, heart disease and cancer – before the age of 75 than those on higher incomes.

A steady job or being engaged in the community is important to good health. Australia's unemployment rate is low, but this hides low workforce participation, and a serious problem with underemployment. Casual workers are often not getting enough hours, and more and more Australians are employed on short-term contracts.

There's a vicious feedback loop – if your health is struggling, it's harder to build your wealth. If you're unable to work as much as you want, you can't build your wealth, so it's much tougher to improve your health.

Our team tracked health risk factors, disease and premature death by , which measures people's access to material and social resources as well as their ability to participate in society. We've measured in quintiles – with one fifth of the population in each quintile.

Low-income earners are more likely to die early from preventable diseases
Credit: Australian Health Policy Collaboration

We developed health targets and indicators based on the World Health Organisation's 2025 targets to improve health around the globe.

The good news is that for many of the indicators, the most advantaged in the community have already reached the targets.

The bad news is that poor health is not just an issue affecting the most vulnerable in our community, it significantly affects the second-lowest quintile as well. Almost ten million Australians with low incomes have much greater risks of developing preventable , and of dying from these earlier than other Australians.

Low-income earners are more likely to die early from preventable diseases
Credit: Australian Health Policy Collaboration
Big disparities

People living in the two lower socioeconomic quintiles (the poorest 40% of the population) are much more likely to be obese; less likely to do exercise; and much more likely to smoke. For these measures, the differences between the highest two socioeconomic quintiles and the lower two are stark. Obesity is 35% more prevalent, activity levels are 22% lower, and smoking rates – which are going down overall – are almost double.

The targets in Australia's Health Tracker are modest and achievable. Our target for obesity, for example, is to reduce the rate from 27.9% to 24.6% (the OECD average is under 20%). The most advantaged in the community have already achieved this target, while the rate in the most disadvantaged quintile is over 33%.

Disease rates are also higher. Bowel cancer is 30% more likely to be detected, even though fewer people are tested. Diabetes is 33% more prevalent in the two lower socioeconomic quintiles than the top two.

Low-income earners are more likely to die early from preventable diseases
Credit: Australian Health Policy Collaboration

The differences in rates of early death between the lowest and highest categories are most staggering. People in the lower two socioeconomic quintiles (40% of the community) are:

  • Almost twice as likely to die from a cardiovascular disease such as stroke or heart attack
  • Almost 40% more likely to die from cancer
  • More than twice as likely to die from a respiratory disease
  • Almost three times as likely to die from diabetes.

Even where there is no disease causing death, suicide is much more likely the more disadvantaged you are. The suicide rate is 50% higher in the lower two quintiles than the top two socioeconomic quintiles.

One in two Australians have a chronic disease and those on a low income are disproportionately affected. But, crucially, one-third of the disease burden is preventable.

Low-income earners are more likely to die early from preventable diseases
Credit: Australian Health Policy Collaboration
What can we do about it?

Australia's health services are well regarded internationally. Our expenditure on health services, 10.3% of GDP, compares favourably with that of like countries.

One glaring exception is investment in prevention and early intervention strategies. Only 1.3% of the Australian health budget is spent on prevention. This is significantly less than countries such as New Zealand, Finland and Canada, which spend around 6% on prevention.

We have limited investment in national screening programs other than for high profile cancers. A national screening program for risks for heart disease, for example, would save lives and reduce health care costs for individuals and the national health budget.

Low-income earners are more likely to die early from preventable diseases
Credit: Australian Health Policy Collaboration

Improving health for people with low incomes and resources needs a comprehensive government commitment. We need to:

  • invest in prevention and early intervention through targeted health funding and services
  • provide healthier environments, better access to healthy food and improved support for improved physical activity, such as encouraging more children to walk to school, and
  • protect children from junk food and soft-drink marketing and supply, through a levy on drinks with added sugar and restricting advertising to children.

We need to tailor health care to prevention and for those most at risk, and we need to invest in healthy environments. Both are sound economic investments that will improve , productivity and economic prosperity.


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Citation: Low-income earners are more likely to die early from preventable diseases (2017, November 28) retrieved 15 January 2019 from https://medicalxpress.com/news/2017-11-low-income-earners-die-early-diseases.html
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