15/11/2013 - The weighting process applied in compiling estimates for 2010 and 2012 Labour Mobility Surveys has been updated but the supplementary weights have not been revised in the 2010 and 2012 Labour Mobility Confidentialised Unit Record Files.
The revision only affects the Labour Mobility Survey supplementary weights and does not affect the Labour Force Survey weights.
The revision reduced the estimates of level for the 2010 and 2012 Labour Mobility Surveys but generally had little impact on proportions. The difference in weighting process related to the treatment of records for visitors to private dwellings, and those who, at the time of interview, had last worked more than a year ago. The revision primarily impacted on those populations containing unemployed people with the key estimate of those working at some time during the year ending February (population 1) revised down significantly. There was only a minor impact on the other populations, and mostly within one standard error.
Revised estimates from the 2010 and 2012 Labour Mobility Surveys are included in Table 1 of Labour Mobility, Australia, February 2013 (cat. no. 6209.0) and in the spreadsheets attached to the 2013 release Labour Mobility, Australia, February 2013 (cat. no. 6209.0). These spreadsheets should be used as the tables presented in the 2010 and 2012 publications have not been updated. Information about the impact of the updated weights can be found in Appendix 1 of Labour Mobility, Australia, February 2013 (cat. no. 6209.0).
The 2010 and 2012 Labour Mobility Confidentialised Unit Record Files have not been reissued with revised Labour Mobility Supplementary weights and this may impact on analysis undertaken using these microdata files.
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