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4324.0.55.002 - Microdata: Australian Health Survey: National Nutrition and Physical Activity Survey, 2011-12 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 18/12/2013  First Issue
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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 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, in a Basic CURF and in an Expanded CURF. This release contains microdata from the 2011-12 National Nutrition and Physical Activity Survey (NNPAS) component. 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, physical activity and sedentary behaviour, pedometer steps and dietary intake. In addition, the Expanded CURF contains biomedical data from the National Health Measures Survey (NHMS) component of the AHS for the NNPAS respondents who agreed to participate.

The level of detail provided for data items in each microdata product are available in the data item lists 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 Nutrition and Physical Activity Survey (NNPAS) was conducted between 29 May 2011 and 9 June 2012 as part of the Australian Health Survey (AHS). The TableBuilder microdata product was released approximately 19 months after the final component (NHMS) completed collection. The Basic CURF microdata product was released 21 months after the final component completed collected. The Expanded CURF microdata product was released approximately 26 months after the final component (NHMS) completed collection.

ACCURACY


The microdata contains greater detail than found in Australian Health Survey: Physical Activity, 2011-12 (cat. no. 4364.0.55.004) and in Australian Health Survey: Nutrition First Results - Food and Nutrients, 2011-12 (cat. no. 4364.0.55.007). 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 CURFs is available on the Using the Basic CURF and Using the Expanded CURF pages of this product.

COHERENCE


Results from the most recent household survey on this topic can be found in Australian Health Survey: Physical Activity, 2011-12 (cat. no. 4364.0.55.004) and in Australian Health Survey: Nutrition First Results - Food and Nutrients, 2011-12 (cat. no. 4364.0.55.007). 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 the TableBuilder, Using the Basic CURF, 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.

NNPAS 2011-12 is available using TableBuilder. The Basic CURF is available on CD-ROM and through the Remote Access Data Laboratory (RADL). The Expanded CURF is available through 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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