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Definition

Proportion of people with known diabetes who have a HbA1c (glycated haemoglobin) level less than or equal to 7.0%

Numerator

Number of persons aged between 18 and 69 years with known diabetes, as determined by a fasting plasma glucose test, who have an HbA1c level of less than or equal to 7.0%.

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Denominator
Number of persons aged between 18 and 69 years with known diabetes, as determined by a fasting plasma glucose test.
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Computation

The National Health Measures Survey component of the 2011–12 Australian Health Survey included a fasting plasma glucose test and an HbA1c test. For this indicator, the fasting plasma glucose test is used in the determination of people with known diabetes and the HbA1c test is used in the determination of effective management of diabetes. Persons with known diabetes who have …

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Disaggregation

2011–12—State and territory, by sex.

2011–12—Nationally, by:

  • remoteness (Australian Statistical Geography Standard (ASGS) Remoteness Structure).
  • 2011 Socio-Economic Indexes for Areas (SEIFA) Index of Relative Socio-economic Disadvantage (IRSD) quintiles.
  • age (18-44, 44-54, 55-64, 65-69).
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Calculation rules

Computation Rule
Description

The National Health Measures Survey component of the 2011–12 Australian Health Survey included a fasting plasma glucose test and an HbA1c test. For this indicator, the fasting plasma glucose test is used in the determination of people with known diabetes and the HbA1c test is used in the determination of effective management of diabetes. Persons with known diabetes who have an HbA1c result of less than or equal to 7.0% are considered to be managing their diabetes effectively.

Known diabetes is defined as persons self-reporting that they had ever been told by a doctor or nurse that they have diabetes and:

  • They were taking diabetes medication (either insulin or tablets); or
  • Their blood test result for fasting plasma glucose was greater than or equal to 7.0 mmol/L.

Excludes persons who did not fast for 8 hours or more prior to their blood test.

Reported for persons aged between 18 and 69 years.

Excludes women with gestational diabetes.

Rates are directly age-standardised to the 2001 Australian population.

Analysis by remoteness and Socio-Economic Indexes for Areas (SEIFA) Index of Relative Socio-Economic Disadvantage (IRSD) is based on usual residence of person (subject to data availability).

Presented as a percentage.

95% confidence intervals and relative standard errors calculated for rates.

Numerators

Number of persons aged between 18 and 69 years with known diabetes, as determined by a fasting plasma glucose test, who have an HbA1c level of less than or equal to 7.0%.

Denominators
Number of persons aged between 18 and 69 years with known diabetes, as determined by a fasting plasma glucose test.
Disaggregation

2011–12—State and territory, by sex.

2011–12—Nationally, by:

  • remoteness (Australian Statistical Geography Standard (ASGS) Remoteness Structure).
  • 2011 Socio-Economic Indexes for Areas (SEIFA) Index of Relative Socio-economic Disadvantage (IRSD) quintiles.
  • age (18-44, 44-54, 55-64, 65-69).

References