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IMRPOLAGE4
Age (in months) of fourth polio vaccine on record
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Codes and Frequencies



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Description

For sample persons under age 6 with an available shot record and at least four polio vaccines on record, IMRPOLAGE4 reports the months of age when the fourth polio vaccine was received on record.

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

Comparability

There are changes in the universe.

Universe

  • 1992-1993: Sample persons under age 6 with an available shot record and polio vaccination on record.
  • 1994-1996: Sample persons under age 6 and all persons 19-35 months with an available shot record and polio vaccination on record.

Availability

  • 1992-1996

Weights