Codes and Frequencies
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Description
For sample persons under age 6 or 7, and all children 19 to 35 months old, with any information transcribed from a shot record and with at least four polio vaccinations indicated on record, IMRPOLY4 reports the year of the fourth polio vaccine.
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Universe
- 1991-1993: Sample persons under age 6, with any information transcribed from a shot record, who have at least 4 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, who have at least 4 polio vaccinations indicated on record.
- 1997: Sample children under age 7, and all children 19 to 35 months old in quarters 1 and 2 and 12 to 35 months old in quarters 3 and 4, with any information transcribed from a shot record, who have at least 4 polio vaccinations indicated on record.
- 1998-2002: Sample children under age 7, and all children 12 to 35 months old, with any information transcribed from a shot record, who have at least 4 polio vaccinations indicated on record.
- 2003: Sample children under age 7, with any information transcribed from a shot record, who have at least 4 polio vaccinations indicated on record.
Availability
- 1991-2003
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Weights
- 1991 : SAMPWEIGHT
- 1992-2003 : SUPP1WT