6553.0 - Information Paper: Survey of Income and Housing, User Guide, Australia, 2005-06  
Previous ISSUE Released at 11:30 AM (CANBERRA TIME) 13/08/2007   
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Contents >> Part 4 Changes from Previous Surveys

CHANGES FROM PREVIOUS SURVEYS

There have been a number of changes made to the SIH since it was first conducted in 1994-95. These may have an impact on the assessment of changes over time.


The 2005-06 SIH was similar to the SIH run in 2003-04. Section 4.1 outlines the differences between the two surveys.


A number of major changes were introduced in the 2003-04 SIH. The changes were largely designed to improve survey quality but may impact on the comparability between the 2003-04 estimates and earlier data. It is generally not possible to quantify the extent of the discontinuity. Section 4.2 outlines the main changes while Appendix 5 presents an assessment of the aggregate impact of the 2003-04 changes on income measures.


The surveys from 1994-95 to 2002-03 are comparable. Section 4.3 provides information on the minor differences.


The final sample size for SIH cycles from 1994-95 is shown in Table 4.1. The sample size can give an indication of the reliability of the estimates produced from the surveys.

Table 4.1 Previous SIH sample sizes

Capital city
Balance of state
Total

1994-95
4 438
2 381
6 819
1995-96
4 588
2 375
6 963
1996-97
4 715
2 530
7 245
1997-98
4 649
2 376
7 025
1999-2000
4 327
2 310
6 637
2000-01
4 397
2 389
6 786
2002-03
6 657
3 554
10 211
2003-04
7 077
4 284
11 361
2005-06
6 405
3 556
9 961



This section contains the following subsection :
      4.1 Changes in the 2005-06 SIH
      4.2 Changes in the 2003-04 SIH
      4.3 Changes in earlier surveys

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