Methodology of Longitudinal Surveys II

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Integrating the sample designs of ONS household finance surveys

Type:Contributed Paper
Jul 25, 15:45
  • Salah Merad - Office for National Statistics
  • Chris L White - Office for National Statistics
  • Andy Fallows - Office for National Statistics
  • Steven Dunstan - Office for National Statistics

The Office for National Statistics runs two longitudinal surveys that collect household finance data: the Households Assets Survey (HAS) and the Survey of Living Conditions (SLC). Since 2017, the first wave of the latter is selected as part of an integrated sample design with a cross-sectional survey that also collects household finance data, the Living Costs and Food Survey (LCF). The main driver of this integration is to improve the precision of cross-sectional regional statistics of household income and poverty indicators by combining data from LCF and SLC panels. In the next step we explore whether HAS can be incorporated into the integrated design to improve the efficiency of data collection in the field – currently, in later waves clusters in SLC and HAS contain only a few cases.

In this paper we first present the integrated sample design of LCF and SLC and the weighting strategy for producing cross-sectional estimates based on LCF data and SLC panels. We then consider the further integration of HAS into the design and evaluate the potential field efficiencies.


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