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IMRPOLDA2
Record date of second polio vaccine: Day
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Codes and Frequencies



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Description

For 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 two polio vaccinations on record, IMRPOLDA2 reports the date of second polio vaccine.

Please use the IPUMS NHIS drop down menu and search functions for related variables.

Comparability

Apart from changes in the universe, this variable is mostly comparable over time.

Universe

  • 1991-1993: Sample persons under age 6, with any information transcribed from a shot record and at least two polio vaccinations 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 at least two polio vaccinations indicated on record.

Availability

  • 1991-1996

Weights