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Mental health and chronic conditions

FACTSHEET October 2020 (ACDPA & Equally Well Alliance)

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People with mental illness are dying prematurely

  • Over 10,000 people with mental illness die prematurely from chronic diseases each year. That is equivalent to 28 people every day.

  • Chronic diseases cause 10 times more premature deaths than suicide for people with mental illness. These include heart disease and stroke, cancer, type 2 diabetes, chronic kidney disease and respiratory conditions.

  • There is an unacceptable life-expectancy gap of up to 15 years between people with mental illness and people in the general population. Their mental health conditions are treated but their physical health is neglected.

  • Eighty percent of people with mental illness also have a serious physical health condition, which is often not diagnosed or treated.

  • People with mental illness not in full-time employment and from lower socio-economic areas are up to five times more likely to die prematurely.

 

Disease burden is increased due to risk factors and access disparities 

  • Many chronic diseases share modifiable risk factors like smoking, overweight and obesity, poor diet, physical inactivity, alcohol consumption, high blood pressure, high cholesterol, and high blood sugar.

  • People with mental illness have much lower rates of health service access for screening, treatment, and surgical interventions.

  • People with a mental illness have a much higher prevalence of certain risk factors compared to the general population:

    • Women with mental illness are nearly 70 percent more likely to smoke.

    • Men are nearly 40 percent more likely to smoke.

    • Women with mental illness are eight percent more likely to be inactive. Men with mental illness are 11 percent more likely to be inactive.

    • Around one in three people with mental illness are obese, compared to around one in four people in the general population.

    • In people with psychosis, obesity rates can be as high as 45 percent. 

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Much chronic disease burden could be prevented

  • One in two Australians have a chronic disease. One in five Australians have multiple chronic conditions.

  • Chronic diseases are the leading cause of premature death in Australia. But nearly 40 percent of chronic disease burden could be prevented by addressing modifiable risk factors.

  • Nearly half of all potentially preventable hospitalisations are due to chronic conditions.

  • Four in five Australians with mental illness have a serious chronic disease. Over half (55 percent) have two or more coexisting chronic diseases.

  • In people with severe mental illness, almost 70 percent of early deaths due to heart disease are preventable.

  • Risk assessment and early detection could halt or delay the progression of chronic conditions and reduce avoidable complications and adverse outcomes.

 

​Download the full factsheet on mental and physical health (incl references).

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© Australian Chronic Disease Prevention Alliance (ACDPA) 2026

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