Codes and Frequencies
An 'X' indicates the category is available for that sample
| Code | Label |
03
|
02
|
01
|
00
|
99
|
98
|
97
|
96
|
95
|
94
|
93
|
92
|
91
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 00 | NIU | X | X | X | X | X | X | X | X | X | X | X | X | X |
| 01 | January | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 02 | February | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 03 | March | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 04 | April | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 05 | May | · | · | X | X | · | · | · | · | · | · | · | · | · |
| 06 | June | · | · | · | · | · | · | X | · | · | · | · | · | · |
| 07 | July | · | · | · | · | · | · | · | · | · | X | · | · | · |
| 08 | August | · | · | · | · | · | · | · | · | X | · | · | · | · |
| 09 | September | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 10 | October | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 11 | November | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 12 | December | · | · | · | · | · | X | · | · | · | · | · | · | · |
| 97 | Unknown-refused | · | · | X | X | · | X | · | · | · | · | · | · | · |
| 98 | Unknown-not ascertained | · | · | · | · | · | · | · | · | · | · | · | · | · |
| 99 | Unknown-don't know | X | · | X | · | X | X | X | · | · | · | · | · | · |
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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 seven polio vaccinations indicated on record, IMRPOLMO7 reports the month of 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 and at least seven 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 and at least seven 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 and at least seven 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 and at least seven polio vaccinations indicated on record.
- 2003: Sample children under age 7 with any information transcribed from a shot record and at least seven polio vaccinations indicated on record.
Availability
- 1991-2003
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Weights
- 1991 : SAMPWEIGHT
- 1992-2003 : SUPP1WT