4324.0.55.001 - Microdata: National Health Survey, 2017-18  
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 30/04/2019   
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  • Quality Declaration - Summary

QUALITY DECLARATION - SUMMARY


INSTITUTIONAL ENVIRONMENT

The National Health Survey is released as a Confidentialised Unit Record File (CURF), TableBuilder and as a Detailed Microdata product in the DataLab. Microdata files 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 micro level data to be released. More information on the confidentiality practices associated with CURFs can be found on the About CURF Microdata page. More information on the confidentiality practices associated with TableBuilder can be found on the Confidentiality page of the TableBuilder, User Guide (cat. no. 1406.0.55.005). More information on the confidentiality practices associated with microdata from the DataLab can be found on the Using the DataLab page.

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 National Health Survey, 2017-18 are available in TableBuilder, a Basic CURF and Detailed Microdata (DataLab). These microdata include information on household demographics, Socio-Economic Indexes for Areas (SEIFA), education qualifications, occupation, industry, country of birth, general dietary information, physical measurements, long-term medical conditions and health risk factors including physical activity, alcohol and smoking use. The level of detail and availability of some data items vary between products. For more information on the level of detail available for each product, refer to the data item lists on the Downloads page.


TIMELINESS

The 2017-18 National Health Survey (NHS) was conducted between July 2017 and June 2018. The microdata products are being released approximately 10 months after enumeration was completed.


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 have been taken to confidentialise the microdata to protect the confidentiality of selected respondents while maintaining accuracy. Data may have been collapsed, restricted, perturbed or otherwise masked to ensure respondents cannot be identified. As a result, it may not be possible to reconcile all statistics produced from the microdata with each other, or other published statistics.


COHERENCE

Results from the most recent household survey on this topic can be found in National Health Survey: First Results, 2017-18 (cat. no. 4364.0.55.001). Information related to the NHS 2014-15 can be found in National Health Survey: First Results, 2014-15 (cat. no. 4364.0.55.001). 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 since 2001 is comparable. There are some differences in sample design, survey methodology (including definitions and classifications), and survey content, that may have an effect on the interpretation of apparent changes in health characteristics.


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 DataLab, Conditions of Use and the Data Item Lists.


ACCESSIBILITY

Microdata products are available to approved users. Users wishing to access the microdata should familiarise themselves with the information available via the Microdata Entry Page.

NHS 2017-18 can be accessed using TableBuilder, a Basic CURF and Detailed Microdata (DataLab).

Any questions regarding access to microdata can be forwarded to microdata.access@abs.gov.au or phone 1300 135 070.