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4324.0.55.001 - Microdata: Australian Health Survey, National Health Survey, 2011-12 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 13/11/2014   
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  • Quality Declaration

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 the 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) are available in TableBuilder and in an Expanded CURF. This release contains microdata from the 2011-12 National Health Survey (NHS) component only. This information includes Household demographics, Socio-Economic Indexes for Area (SEIFA) information, Education qualifications, Occupation, Industry, Country of Birth, General dietary information, Physical measurements, Long-term medical conditions, Alcohol and Smoking use, Biomedical data, Sex, and Age.

The level of detail provided for data items are available within the TableBuilder and Expanded CURF data item lists that can be found by clicking on 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 National Health Survey (NHS) was conducted between 6 March 2011 and 17 March 2012 as part of the Australian Health Survey (AHS). The TableBuilder product was first released approximately 18 months after NHS enumeration was completed. An update to TableBuilder to include biomedical data was released approximately 25 months after the National Health Measures Survey (NHMS) was completed in September 2012. The Expanded CURF was released approximately 31 months after NHS enumeration was completed (approximately 25 months after completion of NHMS).

ACCURACY


The microdata contain levels of detail of data items generally greater than those found in publications. 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 TableBuilder or the CURF 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


Related information, including publications using biomedical data and health service use data, can be found in the Related Information tab of this product. Data from earlier Health Surveys can be obtained by contacting the National Information and Referral Service on 1300 135 070.

Much of the content of the health surveys conducted by the ABS in since 2001 is comparable. There are some differences in sample design and content, survey methodology and content, definitions and classification and will affect the interpretation of apparent changes in health characteristics.

The Interpretation of Results section of Australian Health Survey: Users' Guide, 2011-13 (cat. no. 4363.0.55.001) provides more detailed information on the comparability of the 2011-12 NHS and the 2007-08 NHS.

INTERPRETABILITY


The information within this product should be referred to when using the microdata. It contains information including Survey methodology, File structure, Using the TableBuilder, Using the Expanded CURF, Conditions of use and the Data Item List.

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.

NHS 2011-12 can be accessed using TableBuilder or as an Expanded Confidentialised Unit Record File (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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