Codes and Frequencies
For sample children under 6 years old who reported any information regarding their Measles-Mumps- Rubella (MMR) immunization shot(s) and who received at least one MMR shot, IMAMMRAGE1 reports the person's age when he or she received the first MMR shot.
Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.
- 1991: Sample persons under age 6 who reported any information on measles/MMR shots.
- 1991 : SAMPWEIGHT