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IMRHIBY4
Record date of fourth HIB 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 four HIB shots on their record, IMRHIBY4 reports the year when the person received his or her fourth HIB shot. The HIB shot is for meningitis and is called Haemophilus influenzae type B, HIB vaccine, or H. flu vaccine.

Users should combine IMRHIBY4 with IMRHIBDA4 and IMRHIBMO4, which reports the day and month of the person's fourth HIB shot, in order to get the complete date when the person received his or her fourth HIB shot.

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

  • 1991-1993: Sample persons under age 6, with any information transcribed from a shot record and four HIB shots indicated on record.
  • 1994-1996: Sample persons under age 6, and all children 19 to 35 months old, with any information transcribed from a shot record and four HIB shot records indicated on record.
  • 1997: Sample children under age 7, and all children 19 to 35 months old in quarters 1 and 2 and 12 to 35 months old in quarters 3 and 4, with available shot record and four HIB shots indicated on record.
  • 1998-2002: Sample children under age 7, and all children 12 to 35 months old, with available shot record and four HIB shots indicated on record.
  • 2003: Sample children under age 7, with available shot record and four HIB shots indicated on record.

Availability

  • 1991-2003

Weights