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8 The estimates are based on information collected in the survey month and, due to seasonal factors, may not be representative of other months of the year.
9 Occupation data are classified according to the second edition of the Australian Standard Classification of Occupations. For a more detailed explanation, see ASCO - Australian Standard Classification of Occupations, Second Edition (cat. no. 1220.0).
10 Industry data are classified according to the Australian and New Zealand Standard Industrial Classification (ANZSIC), a more detailed description of which appears in Australian and New Zealand Standard Industrial Classification (ANZSIC), 1993 (cat. no. 1292.0).
11 Birthplace data are aggregated according to major groups of the Australian Standard Classification of Countries for Social Statistics (ASCCSS) (cat. no. 1269.0). The ASCCSS was developed by the ABS for use whenever demographic, labour and social statistics are classified by countries.
12 The educational attainment data item in this survey has been classified according to the ABS Classification of Qualifications (ABSCQ) (cat. no. 1262.0).
COMPARABILITY OF TIME SERIES
13 Revisions are made to population benchmarks for the LFS after each five-yearly Census of Population and Housing. The last such revision was made in February 1999 to take account of the results of the 1996 Census of Population and Housing. Estimates from supplementary surveys conducted from and including February 1999 are therefore based on revised population benchmarks.
14 Characteristics of Migrants Surveys conducted up to and including November 1996 were restricted to migrants who arrived in Australia after 1970, were aged 18 years or more on arrival and had obtained permanent Australian resident status. For November 1999, the survey was restricted to migrants who arrived in Australia after 1980. See paragraph 5 for further detail.
15 Supplementary surveys are not always conducted on the full LFS sample. Since August 1994 the sample for supplementary surveys has been restricted to no more than seven-eights of the LFS sample. The reduction in sample size means that the standard errors for this survey differ from those applicable to previous surveys.
16 It is impracticable to obtain information relating to labour force status of persons before migration according to the strict definitions used in the monthly LFS. It is for this reason that ‘Had a job’ and ‘Did not have a job’ are used to describe pre-migration labour force status, while employed, unemployed and not in the labour force are used to describe labour force status at November 1999.
COMPARABILITY WITH MONTHLY LFS STATISTICS
17 Due to differences in the scope and sample size of this supplementary survey and that of the monthly LFS, the estimation procedure may lead to variations between labour force estimates from this survey and those from the LFS.
18 Results of previous surveys have been published in:
19 The ABS plans to conduct this survey again in November 2002.
20 Other publications which may be of interest include:
21 Current publications produced by the ABS are listed in the Catalogue of Publications and Products (cat. no. 1101.0). The ABS also issues, on Tuesdays and Fridays, a Release Advice (cat. no. 1105.0) which lists publications to be released in the next few days. The Catalogue and daily Release Advice are available from any ABS office or from the ABS Information Service on this site.
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