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IMRPOL
Polio vaccine on record
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Codes and Frequencies



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Description

For sample children, IMRPOL reports whether the child had Polio vaccine on record.

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

Comparability

In 1991, persons were not directly asked if there was a polio vaccine on the child's record. Apart from changes in the universe, this variable is mostly comparable over time.

Universe

  • 1978: Sample persons under 17 years of age
  • 1991: Sample persons under 6 years of age.
  • 1992-1993: Sample persons under age 6, with any information transcribed from a shot record.
  • 1994-1996: Sample persons under age 6, and all children 19 to 35 months old, with any information transcribed from a shot record.

Availability

  • 1978, 1991-1996

Weights