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4228.0.30.001 - Microdata: Programme for the International Assessment of Adult Competencies, Australia, 2011-2012 Quality Declaration 
Latest ISSUE Released at 11:30 AM (CANBERRA TIME) 09/10/2013   
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USING THE CURFs

ABOUT THE CURFs
IDENTIFIERS
BASIC CURF FILE NAMES
BASIC CURF (INTERNATIONAL COMPARISON VERSION) FILE NAMES
EXPANDED CURF FILE NAMES

ABOUT THE CURFs

The data included in the PIAAC Basic and Expanded CURFs are released under the provisions of the Census and Statistics Act 1905. This legislation allows the Australian Statistician to release unit record data, or microdata, provided this is done "in a manner that is not likely to enable the identification of a particular person or organisation to which it relates."

The ABS ensures the confidentiality of the data by:

  • removing name, address and any other information that might uniquely identify any individual
  • changing a small number of values - particularly unusual values - and removing very unusual records
  • controlling the detail available for all records on the Basic and Expanded CURFs
  • perturbing or randomly adjusting income data
  • excluding some data items that were collected
  • controlling the modes of access to restrict access to more detailed data
  • placing restrictions on how the data are used, supported by both information in the User Manual: Responsible Use of ABS CURFs, the undertaking signed by the head of each organisation and the terms and conditions signed by each user.

As a result, data on the Basic and Expanded CURFs will not exactly match other previously published estimates. Any changes to the distribution of values are not significant and the statistical validity of aggregate data is not affected.


IDENTIFIERS

Each person has a unique random identifier - ABSPID on the Basic and Expanded CURFs and SEQID on the Basic CURF (International Comparison version).


BASIC CURF FILE NAMES

The PIAAC Basic CURF can be accessed on CD-ROM and is available in SAS, SPSS and STATA formats. The CURF comprises the following files:

Data files
  • PIAAC12B.csv contains the data for the CURF in comma delimited ASCII text format
  • PIAAC12B.sas7bdat contains the data for the CURF in SAS format
  • PIAAC12B.sav contains the data for the CURF in SPSS format
  • PIAAC12B.dta contains the data for the CURF in STATA format.

Information files
  • The Data item list contains all the data items, including details of categories and code values, that are available on the Basic CURF
  • The Formats file is a SAS library containing formats
  • The Frequency file contains data item code values and category labels with weighted person frequencies of each value. This file is in plain text format.


BASIC CURF (INTERNATIONAL COMPARISON VERSION) FILE NAMES

The PIAAC Basic CURF (International Comparison version) can be accessed as an electronic file and is available in SAS and SPSS formats. The CURF comprises the following files:

Data files
  • PRGAUSP1.sas7bdat contains the data for the CURF in SAS format
  • PRGAUSP1.sav contains the data for the CURF in SPSS format

Information files
  • The Data item list contains all the data items, including details of categories and code values, that are available on the Expanded CURF
  • The Formats file is a SAS library containing formats
  • The Frequency file contains data item code values and category labels with weighted person frequencies of each value. This file is in plain text format.

EXPANDED CURF FILE NAMES

The PIAAC Expanded CURF can be accessed on the RADL or ABSDL and is available in SAS, SPSS and STATA formats. The CURF comprises the following files:

Data files
  • PIAAC12E.csv contains the data for the CURF in comma delimited ASCII text format
  • PIAAC12E.sas7bdat contains the data for the CURF in SAS format
  • PIAAC12E.sav contains the data for the CURF in SPSS format
  • PIAAC12E.dta contains the data for the CURF in STATA format.

Information files
  • The Data item list contains all the data items, including details of categories and code values, that are available on the Expanded CURF
  • The Formats file is a SAS library containing formats
  • The Frequency file contains data item code values and category labels with weighted person frequencies of each value. This file is in plain text format.



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