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The Data item list is available on the 'downloads' tab and contains information about the data items available on the different detailed microdata products.
The Basic CURF contains information at Household, Income Unit, Person and Loan levels for the SIH.
Users intending to purchase the Basic CURF should ensure the 2017–18 SIH suits their data needs. Please review the data item list to see the topics and the level of detail that is available for the Basic CURF.
For confidentiality and/or usability reasons, some data item values have been collapsed and/or restricted for use on the microdata products. Additionally, data may have been masked on the Basic CURF to prevent identification of persons.
TABLEBUILDER AND DETAILED MICRODATA FILE (DATALAB)
The TableBuilder and Detailed Microdata File (DataLab) products contain information at Household, Income Unit, Person, Superannuation, Wealth, Child care and Loan levels for the SIH.
Users intending to use either of these products should ensure the 2017–18 SIH suits their data needs. Please review the data item list to see the topics and the level of detail that is available for TableBuilder or the Detailed Microdata File.
For further information about how to access detailed Microdata refer to The Responsible Use of ABS Microdata, User guide.
NOTES ON SPECIFIC DATA ITEMS
Many of the data items included on the CURF are self-explanatory. The Glossary in the Survey of Income and Housing, User Guide, Australia, 2017–18 provides links to terms and definitions for most of the survey's data items. However, some items that require further explanation are defined below.
There are several identifiers on records at each level of the file.
Each household has a unique random identifier. This identifier appears on the household level (ABSHID), and is repeated on the income unit, person, loans level records relating to that household.
Each family within the household is numbered sequentially. Non family members, single person households and persons in group households have a sequential "family number" commencing at 50. Family number (ABSFID) appears on the income unit level and the person level. The combination of household and family number uniquely identifies a family.
A family has one or more income units and each income unit within the family is numbered sequentially. Income unit number (ABSIID) appears on the income unit level and the person level. The combination of household, family and income unit number uniquely identifies an income unit.
An income unit has one or more persons and each person within the income unit is numbered sequentially. Person number (ABSPID) appears on the person level. The combination of household, family, income unit and person number uniquely identifies a person.
A household may have one or more loans and each loan within the household is numbered sequentially. Loan number (ABSLID) appears on the loans level. The combination of a household and loan number uniquely identifies a loan.
Additional detail and data items on Basic CURF
Continuing the approach from SIH 2015–16, a selection of data items and additional detail of high user interest on previous Expanded CURF are now available instead on the Basic CURF. These include:
Users are advised that for the following geographies on the SIH 2017–18 Basic CURF there are no boundary differences between the 2011 ASGS and 2016 ASGS.
Imputation flags exist for each module in the questionnaire, rather than for specific data items. A value of 1 indicates partial imputation where at least one question in the module was imputed. Referring to the contents of the questionnaire module can provide an indication of whether particular data items may have included imputed data. The number of flags with a value of 1 for a particular record provides an indication of the extent of imputation in that record. Imputation flag variable names generally start with "IMP".
Multiple Response Data Items
A number of topics in 2017–18 SIH contain multiple response data items, including housing, child care, disability and superannuation. In these instances, respondents were able to select one or more response category within a question.
Using child care as an example, in these items the output data is multi-response in nature. Child care data items on the Basic CURF are:
These items capture multiple responses where a person provides more than one type of child care. The first response is captured in the first, or 'A', position (e.g. TYPFCIUA), and additional responses are in the second and then third and higher, or 'B' and 'C' and higher, positions (e.g. TYPFCIUB, TYPFCIUC). If only one response is possible, for example 'none of the above' then this response may also appear in the 'A' position. Where a data item does not apply, (e.g. an income unit does not use child care) then a value of 9 or 99 for 'Not applicable' will appear in the first position (e.g. TYPFCIUA). The 'Null response' (value of 0 or 00) is a default code and should be ignored. All of these categories should be used in analysis. For specific information on the number of item repeats and the category labels and values refer to the Data Item List available from the 'downloads' tab.
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6541.0.30.001 - Microdata: Income and Housing, Australia, 2017-18 Quality Declaration
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 13/11/2019