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Age when first measles/MMR shot was received: Time period (no shot record available)

Codes and Frequencies

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For sample persons under age 6 who ever received at least one measles/MMR shot, IMNMMRAGTP1 reports the time unit (months or years) for the age when the first measles/MMR shot was received. IMNMMRAGTP1 should be used in conjunction with IMNMMRAGN1, which reports the corresponding number of unit stated by the respondent.

Please use the IPUMS NHIS drop down menu and search functions for related variables.


There are no comparability issues.


  • 1991: Sample persons under age 6 with no available shot record who ever received an immunization and ever received at least one measles/MMR shot.


  • 1991