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IMRAHY1
Record date of first ActHib shot: Year
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Codes and Frequencies



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Description

For sample children under 7 years old who have an immunization record and who have at least one ActHIB vaccine on their record, IMRAHY1 reports the year of the person's first ActHIB vaccine.

Users should combine IMRAHY1 with IMRAHMO1, which reports the month of the person's first ActHIB vaccine, in order to get the complete date of the person's first ActHIB vaccine.

Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.

Comparability

Changes in the universe limit the comparability of this variable. As always, users are advised to use the appropriate weight for their analyses.

Universe

  • 1997: Sample children under 7 and all children 19-35 months old in quarters 1 and 2 and 12-35 months old in quarters 3 and 4, with available shot records and with 1 or more ACTHib shots on record.
  • 1998-2002: Sample children under 7 and all children 12-35 months old with available shot records and 1 or more ACTHib shots on record.
  • 2003: Sample children under 7 with available shot records and 1 or more ACTHib shots on record.

Availability

  • 1997-2003

Weights