4715.0.55.006 - National Aboriginal and Torres Strait Islander Health Survey: Summary Booklet, 2004-05  
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  • Glossary

Image: Glossary

    Age standardisation

    Differences in the age structure of the Indigenous and non-Indigenous populations should be taken into account when comparing age-dependent characteristics of the two populations. The ABS accounts for these differences through a statistical process known as 'age standardisation'.

    Alcohol - 'Risky/high risk'

    Risky/high risk alcohol consumption is based on average daily consumption in the week prior to interview. Risky/high risk consumption is defined differently for males and females, however both are based on a standard drink containing 12.5ml of alcohol. For males, risky/high risk consumption is four standard drinks (or 50ml) or more of alcohol each day, and for females it is two standard drinks (or 25ml) or more of alcohol each day.
    Body Mass Index (BMI)

    A measure of body weight in proportion to height. It is calculated by dividing a person's weight (kg) by their height (m) squared. For example, the BMI calculation for a person who weighs 100kg and is 170cm tall would be:
    100/(1.7x1.7) or 2.89 = 34.60.

    BMI categories are as follows:

    18.5 - 25healthy weight
    25 - 30overweight

    Long-term health condition

    A limitation, restriction or impairment, disease or disorder, which had lasted, or was likely to last for six months or more and which restricted a person's ability to perform everyday activities.

    The ABS uses the Australian Standard Geographical Classification (ASGC) Remoteness Structure to categorise how remote particular locations in Australia are. The Structure uses five levels of remoteness: 'Major Cities of Australia', 'Inner Regional Australia', 'Outer Regional Australia', 'Remote' and 'Very Remote'.