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Household ID #2 long (part 1), 1976-1995_08


This is a 12-digit numeric variable.


Household ID #2 long (part 1) - 1976-1995_08

Unicon Corporation made the following notes about this variable:
Matching (source May 2004 BLS data layout) - To match before May 2004, use hhid. To match forward in time from this point, concatenate hhid with hhid2. hhid2 is itself a concatenation of sampid, serial, and hhnum. hhid is meant to be unique within a month. However, the Outgoing Rotation data series takes data from all 12 months. To identify a unique household, it is necessary to sort by hhid, and month. In June-August, 1995 hhid was being changed to the new format. The Census deliberately presented only a 5 digit ID in these months to make it impossible to identify individuals. Most geographic identifiers were also set to '-1' to insure confidentiality. Records in these 3 months cannot be matched to other months.


UH_HHID_1 is comparable across all available samples.


  • All households.


Years Jan Feb ASEC Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1976 X X - X X X X X X X X X X
1977 – 1978 X X - X X - X X X X X X X
1979 – 1994 X X - X X X X X X X X X X
1995 X X - X X X X X X - - - -


This variable has no flags.