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RECORD IDENTIFIERS

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HOUSEHOLD ID

This identifier is an unique ID for each household/dwelling in the CURF.

A household in a private dwelling can have up to 8 records in the CURF, since private dwellings are selected in the Labour Force Survey (LFS) for 8 consecutive months (see Number of months captured in survey [ABSNMTH]). Every person in that household has the same Household ID.

Special dwellings (prisons, hotels, boarding schools, Indigenous communities etc. see Residence Status [URSTATC]) are also assigned household identifiers, except each person in a special dwelling is assigned their own unique Household ID. The ID is assigned to the person rather than the dwelling. This is because;

• Any relationships that exist between people in a special dwelling are not recorded in the LFS, so no additional information can be gained from grouping people who were interviewed in the same special dwelling.


• Special dwellings are assembled as cross-sectional ('point-in-time') measurements and are not linked longitudinally. This is because there can be no certainty in making links to records across time, as the people interviewed in hotels, prisons, boarding schools, etc. are subject to change.

The Household ID has 13 characters and is an amalgam of 2 other key identifiers. It has the following format:

LLFSYYMMHHHHH


• LLFS
  A prefix of letters (Longitudinal Labour Force Survey).


• YYMM
  Year (2 digits) and Month (2 digits) for when the household was first selected in the LFS.
  Example. 0801 = January 2008.
  See First month of selection in survey [ABSFMTH]
  
  
• HHHHH
  A 5 digit number to uniquely identify a household within the group that was first selected in the month identified.
  Households are assigned a number between 00001 and 06275, depending on the number of households in the group.
  See Household ID [ABSHID].
  
  

These record identifiers form the basis of the CURFs hierarchical structure, which is explored in more detail in File Structure and Identifiers.

Identifier:		ABSHID
Level:		Household/Dwelling
Source:		LFS
Frequency:		Not applicable
Population:		All
Categories:
LLFSYYMMHHHHH		Household ID

Related Information

Labour Force, Australia: Explanatory Notes - 3. Labour Force Survey (cat. no. 6202.0)
Labour Statistics: Concepts, Sources and Methods: 20. Labour Force Survey - 20.8 to 20.18 (cat. no. 6102.0.55.001)
Family, Household and Income Unit Variables, 2005: Core variables describing family structure (cat. no. 1286.0)
Family, Household and Income Unit Variables, 2005: Definitions of common concepts - Household (cat. no. 1286.0)
Census Dictionary, 2011: Household (cat. no. 2901.0)

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