Codes and Frequencies
For sample persons under 17 years of age who received a polio vaccine or shot, IMRPOLTYPE reports whether it was a polio shot or a polio vaccine that was taken by mouth.
Please use the IPUMS NHIS drop down menu and search functions for related variables.
- 1978: Sample persons under 17 years of age who received a polio shot or polio vaccine by mouth
- 1978 : SUPP1WT