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IMRHIBDA1
Record date of first HIB shot: Day
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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 HIB shot on their record, IMRHIBDA1 reports the day when the person received his or her first HIB shot. The HIB shot is for meningitis and is called Haemophilus influenzae type B, HIB vaccine, or H. flu vaccine.

Users should combine IMRHIBDA1 with IMRHIBMO1 and IMRHIBY1, which reports the month and year of the person's first HIB shot, in order to get the complete date when the person received his or her first 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 with at least 1 HIB shot 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 with at least 1 HIB shot indicated on record.

Availability

  • 1991-1996

Weights