Codes and Frequencies
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 seven polio vaccinations indicated on record, IMRPOLY7 reports the year of the seventh polio vaccine.
Please use the IPUMS NHIS drop down menu and search functions for related variables.
Universe
- 1991-1993: Sample persons under age 6, with any information transcribed from a shot record, who have at least 7 polio vaccinations indicated on record.
- 1994-1996: Sample person under age 6, and all children 19 to 35 months old, with any information transcribed from a shot record, who have at least 7 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 7 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 7 polio vaccinations indicated on record.
- 2003: Sample children under age 7, with any information transcribed from a shot record, who have at least 7 polio vaccinations indicated on record.
Availability
- 1991-2003
Weights
- 1991 : SAMPWEIGHT
- 1992-2003 : SUPP1WT