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Australia Increasing health burden of type 2 diabetes

The total number of people with type 2 diabetes in Australia tripled - from 379,532 to 1,307,261— between 1990 and 2019 and while people were less likely to die from the illness than they were 30 years ago, the rate of medical complications increased, particularly among men. The research from Deakin University's Institute for Physical Activity and Nutrition (IPAN) was published in the paper, ‘The burden of type 2 diabetes in Australia during the period 1990–2019: Findings from the global burden of disease study’, in the journal Diabetes Research and Clinical Practice.

Shariful Islam (Credit: Deakin University)

"Australia ranked 4th in terms of disease burden in 2019 but 11th (fifth worst) for deaths due to type 2 diabetes," said lead researcher, Associate Professor Shariful Islam. "This tells us there is an urgent need to improve the prevention and management of type 2 diabetes in Australia. Overall, men had higher incidence of type 2 diabetes, most notably since 2010 when the prevalence among men tripled compared to women. A possible explanation for the increasing rate among men is the strong link between type 2 diabetes and obesity, particularly abdominal obesity which is more likely to occur in men than women, especially pre-menopausal women. Risk factors such as alcohol consumption, smoking, unhealthy eating habits and sedentary lifestyles may also influence the higher rates of type 2 diabetes in men."

For the study, Associate Professor Islam used a specialised computer program developed by the Global Burden of Disease to analyse data on the total number of people with type 2 diabetes between 1990 and 2019 both in Australia and across 14 similar socioeconomic countries, including the United Kingdom, United States, New Zealand and Singapore.

The study also found that the prevalence of type 2 diabetes:

  • Increased in people aged between 25 and 29 years,

  • Increased sharply among people aged 40 years and over, and

  • Was highest among people aged 80 years and above.

  • Deaths from type 2 diabetes also increased among those aged 70 years and above.

"We wanted to see how type 2 diabetes affects people of different ages and genders; the impact on their quality of life, how many years of life they lost because of it, and how many people died from it both in Australia and across other similar countries," he added. "Understanding the trends and changes in the burden of type 2 diabetes over time can identify where efforts to prevent and manage diabetes are working and where improvements are needed. This information will help policymakers, health care professionals and the community more broadly reassess the strategies and resources currently in use, particularly for men and older adults where improving accessibility of education and screening programs is clearly an issue," Associate Professor Islam said.


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