4326.0.30.002 - Technical Manual: National Survey of Mental Health and Wellbeing, Confidentialised Unit Record Files, 2007 Quality Declaration 
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Contents >> Using the CURF microdata >> RECORD IDENTIFIERS


There are several identifiers for each record on each of the levels:

  • Each household has a unique random identifier (ABSHID). This identifier appears on the household level, and is repeated on the person level for each record relating to that household.
  • Each person within a household is numbered sequentially. 'Person number' (ABSPID) appears on the person level. The combination of household identifier and person number uniquely identifies a person.

At higher levels, identifiers for lower levels are set to zero. For example, on the household level the identifier for person number is set to zero. No family numbers or income units have been output for this survey.

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