QUALITY DECLARATION
INSTITUTIONAL ENVIRONMENT
TableBuilder and Confidentialised Unit Record File (CURF) datasets are released in accordance with the conditions specified in the Statistics Determination section of the Census and Statistics Act 1905. This ensures that confidentiality is maintained whilst enabling user specified aggregate data to be released. More information on the confidentiality practices associated with TableBuilder can be found in TableBuilder confidentiality. More information on the confidentiality practices associated with CURFs can be found in About CURF Microdata.
For information on the institutional environment of the Australian Bureau of Statistics (ABS), including the legislative obligations of the ABS, financing and governance arrangements, and mechanisms for scrutiny of ABS operations, please see ABS Institutional Environment.
RELEVANCE
Microdata from the Australian Health Survey (AHS) 2011-12 are available in TableBuilder and in an Expanded CURF. This release contains microdata from the core combined content of the National Nutrition and Physical Activity Survey (NNPAS) 2011-12 and National Health Survey (NHS) 2011-12 components of the AHS, including biomedical data from the National Health Measures Survey (NHMS) component of the AHS. This includes information on household demographics, Socio-Economic Indexes for Area (SEIFA), education qualifications, occupation, industry, country of birth, general dietary information, physical measures, selected long-term medical conditions, smoker status, dietary behaviours, selected health risk factors, and biomedical information.
The level of detail provided for data items in each microdata product are available in the data item lists, which are available in Excel spreadsheet format from the Downloads page of this product. These should be referenced when making decisions on the product to purchase. Items not available on the Expanded CURF may be available on the TableBuilder database or in tabulated form on request.
TIMELINESS
The 2011-12 combined AHS for the general population was conducted between March 2011 and September 2012. The TableBuilder product was released approximately 19 months after the final component (NHMS) completed collection and the Expanded CURF was released approximately 25 months after the final component (NHMS) completed collection.
ACCURACY
The microdata contains greater detail which combines core content topics found in the Australian Health Survey: First Results - 4364.0.55.001 - 2011-12, the Australian Health Survey: Updated Results - 4364.0.55.003 - 2011-2012, the Australian Health Survey: Physical Activity, 2011-12 (cat. no. 4364.0.55.004), the Australian Health Survey: Biomedical Results for Chronic Diseases - 4364.0.55.005 - 2011-12 and the Australian Health Survey: Biomedical Results for Nutrients - 4364.0.55.006 - 2011-12. For more information on the level of detail provided for the microdata see the associated data item lists on the Downloads page of this product.
Steps to confidentialise the data made available in the microdata products are taken in such a way as to maximise the usefulness of the content while maintaining the confidentiality of respondents selected in the survey. As a result, it may not be possible to exactly reconcile all the statistics produced from the microdata with other published statistics. Further information about the steps taken to confidentialise the TableBuilder microdata is available on the TableBuilder confidentiality page of the User Manual: TableBuilder, Jun 2013 (cat. no. 1406.0.55.005). Further information for the CURF is available on the Using the Expanded CURF page of this product.
COHERENCE
Results from the most recent household survey on this topic can be found in Australian Health Survey: Biomedical Results for Nutrients - 4364.0.55.006 - 2011-12. Other related information can be found on the Related Information tab of this product.
INTERPRETABILITY
The information within this product should be referred to when using the microdata. It contains Information including Survey Methodology, File Structure, Using TableBuilder, Using the Expanded CURF, Data Item List and the Conditions of Use.
The Australian Health Survey: Users' Guide, 2011-13 (cat. no. 4363.0.55.001) includes information on the survey objectives, survey methods and design, survey content, data quality and interpretation, output data items, information about the availability of results and comparability with previous surveys.
ACCESSIBILITY
Microdata products are available to approved users. Users wishing to access the microdata should read the How to Apply for Microdata web page. Users should also familiarise themselves with information available via the Microdata Entry Page.
The Australian Health Survey: Core Content - Risk Factors and Selected Health Conditions, 2011-12 microdata product can be accessed using TableBuilder or the Expanded CURF via the Remote Access Data Laboratory (RADL).
Any questions regarding access to microdata can be forwarded to microdata.access@abs.gov.au or phone (02) 6252 7714.
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