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This document was added or updated on 12/02/2016.
VISITORS ON CENSUS NIGHT
Overseas visitors were excluded from the 2006 ACLD sample. The ACLD, however, does include visitors from within Australia in 2006 and/or 2011. These are people who were enumerated away from their usual residence on Census Night. Family information cannot be derived for these persons and as such all family, spouse, and male and female parent related data items are not applicable for visitors.
All dwelling related data items, however, have been made applicable to visitors. This information relates to their dwelling of enumeration on Census Night, not usual residence.
Most household data items are not applicable to visitors, however for four data items, visitors have been included in order to align to standard Census derivations of that data item. These comprise:
Any applicable household information for a visitor relates to their place of enumeration, not usual residence.
Where a data item is also applicable to visitors, the usual address indicator data item for the relevant Census year can be used to restrict the table to usual residents only.
The cell comments available in the data item list provide precise information on who is, and is not, applicable for each data item.
PERSONS TEMPORARILY ABSENT ON CENSUS NIGHT
The Census household form provides the opportunity to list up to three persons who were temporarily absent from the dwelling on Census Night. A limited amount of information is collected for these persons and it is used to better derive the family and household characteristics of the dwelling. In deriving family and household related data items for the ACLD, information on persons temporarily absent was included where relevant and available. Details are provided in cell comments in the data items list.
NOT APPLICABLE CATEGORIES
Most data items in the ACLD include a 'not applicable' category. The definition of the 'not applicable' category, where relevant, is explained in cell comments for each data item in the data item list.
NOT STATED CATEGORIES
'Not stated' categories occur when no response has been provided for a data item. All Census data items contain 'not stated' categories except for age, sex, marital status and usual address, as this information is imputed for these items.
Other Census products commonly use the symbol '&' to denote a code value of 'not stated'. In the ACLD, the symbol 'X' or '97' has been used. The codes are listed in the data items list.
LONGITUDINAL DATA ITEMS
The ACLD contains a number of data items that relate to the linkage over the period 2006 to 2011 and have been collectively named longitudinal data items. The first of these are consistency flags. These variables measure the consistency of reporting on linked records between 2006 and 2011. The following consistency flags can be found in the Longitudinal folder of the TableBuilder data item tree and in the ACLD microdata product available in the ABSDL:
Consistency flags can be used with other variables. For example, age inconsistency can be cross tabulated with sex to examine potential gender differences in the reporting of age.
In addition to the consistency flags, a record linked from 2006 flag is also available in the Longitudinal folder. This flag can be cross tabulated with another data item to examine linkage rates (that is, the proportion of records linked). For example, cross tabulating the record linked flag with State/Territory of usual residence enables an examination of differences in linkage rates between the states and territories.
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