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Had blood transfusion between 1977 and 1985

Codes and Frequencies

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AIDSTRANSF indicates if the sample person had a blood transfusion at any time between 1977 and 1985. In 1989-1991, this inquiry was directed at sample persons age 1 years and older, in 1988 the question was directed at the same group in quarters 2 through 4, and in 1992 it was asked of half of the same group.


Aside from changes in the universe, there are no comparability problems with AIDSTRANSF.


  • 1988: Sample persons age 18+ in quarters 2 through 4.
  • 1989-1991: Sample persons age 18+.
  • 1992: Half of sample persons age 18+.


  • 1988-1992