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THE STRUCTURE OF THE AUSTRALIAN HEALTH SURVEY
STRUCTURE OF THE 2011-13 AUSTRALIAN HEALTH SURVEY
As shown in the above diagram, the AHS is made up of three components:
All people selected in the AHS were selected in either the NHS or the NNPAS, however data items in the core were common to both surveys and therefore information for these data items is available for all persons in the AHS. All people were then invited to participate in the voluntary NHMS.
As indicated in the diagram, 20,500 people participated in the NHS, answering questions about items such as detailed health conditions, health risk factors and medications as well as all items in the core content. For the NHS component (those items collected only in the NHS and not the core), the sample size is similar to that of previous National Health Surveys and therefore the results are comparable. However for those items collected in the core, the sample size (32, 000 people) is approximately 1.5 times that in the past and therefore the estimates for core items such as smoking and Body Mass Index are expected to be more accurate in particular at finer disaggregates than in previous surveys.
INFORMATION FOR ABORIGINAL AND TORRES STRAIT ISLANDER PEOPLE
The AHS does not exclude Aboriginal and Torres Strait Islander people where they are randomly selected in the general population sample. However, the AHS also includes an additional representative sample of around 13,000 Aboriginal and Torres Strait Islander people for which first results were released in November 2013. This is a separate collection of Aboriginal and Torres Strait Islander people living in remote and non-remote areas, including discrete communities. The structure is the same as outlined above, comprised of the National Aboriginal and Torres Strait Islander Health Survey component, the National Aboriginal and Torres Strait Islander Nutrition and Physical Activity component and the National Aboriginal and Torres Strait Islander Health Measures Survey component.
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