Risk factors

Major risk factors for coronary artery blockages are:

  1. Family history of premature heart disease
  2. Smoking
  3. Hypertension (high blood pressure)
  4. Hyperlipidaemia (high cholesterol)
  5. Diabetes


  • 90% of Australian adults have at least one modifiable risk factor, while 25% have three or more risk factors
  • 60% of Australian adults are overweight
  • 54% are not sufficiently active to achieve health benefits
  • 51% have high blood cholesterol
  • 30% have high blood pressure
  • 20% smoke daily
  • 10% drink at levels considered harmful to their health
  • 8% have diabetes

The numbers of people who are overweight, not active enough, and have diabetes have increased significantly over the last 10-20 years. However, the rate of smoking and high blood pressure has fallen in the last 10-20 years.