Codes and Frequencies
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Description
For sample children under 6 years old (in 1991-1996) or under 7 years old (in 1997-2003) who have had immunization shots but do not have a record, IMNPOL reports if the person has ever received a polio vaccine.
Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.
Universe
- 1991-1993: Sample persons under age 6 with no available shot record who ever received an immunization.
- 1994-1996: Sample persons under age 6 and all children 19-35 months old with no available shot record who ever received an immunization.
- 1997: Sample children under age 7 and all children 19-35 months old in quarters 1 and 2 and 12-35 months old in quarters 3 and 4 who have had shots but have no known shot record.
- 1998-2002: Sample children under age 7 and all children 12-35 months old with no available shot record who ever received an immunization.
- 2003: Sample children under age 7 with no available shot record who ever received an immunization.
Availability
- 1991-2003
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Weights
- 1991 : SAMPWEIGHT
- 1992-2003 : SUPP1WT