4364.0.55.005 - Australian Health Survey: Biomedical Results for Chronic Diseases, 2011-12
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 05/08/2013 First Issue
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In the National Health Measures Survey (NHMS), two blood tests for diabetes were performed: fasting plasma glucose and glycated haemoglobin (commonly referred to as HbA1c). The tables available on the Downloads page of this publication present diabetes prevalence rates for both tests, including a comparison of the two tests in Table 3. However, as fasting plasma glucose is the current standard test for diabetes in Australia, the results presented in the publication commentary focus on fasting plasma glucose only.
Diabetes prevalence was derived using a combination of blood test results and self-reported information on diabetes diagnosis and medication use.
A person was considered to have known diabetes if:
People with known diabetes were further classified as having Type I, Type II or Type unknown, based on the type of diabetes that a doctor or nurse told them they had. Women with gestational diabetes were excluded.
Information on diabetes prevalence using this same definition but based on HbA1c test results are also shown in Tables 1, 2, 3, 8, 9, 12 and 15. The relevant cut-offs for HbA1c are as follows:
Figure 1: 2011–12 NHMS diabetes classification
* Cut-offs for FPG: Indicates diabetes ≥7.0 mmol/L; At high risk of diabetes 6.1 to <7.0 mmol/L; Does not indicate diabetes <6.1 mmol/L.
Cut-offs for HbA1c: Indicates diabetes ≥6.5%; At high risk of diabetes 6.0% to <6.5%; Does not indicate diabetes <6.0%.
1 World Health Organization 2006, Definition and diagnosis of diabetes mellitus and intermediate hyperglycemia, <http://www.who.int/diabetes/publications/Definition%20and%20diagnosis%20of%20diabetes_new.pdf>, Last accessed 16/07/2013. Back to top