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Duration since last HPV shot: Estimated years

Codes and Frequencies

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For female sample adults age 18 to 64 who could not recall the approximate month or date since her last HPV shot, HPVACLYE reports the estimated time in categories of years for the time since the woman received her last HPV shot.

This variable was first introduced in the 2010 Cancer Control Supplement.

Related variables

Questions about the HPV vaccine were also asked in 2008, with the interviewer introducing HPV-related questions by asking about awareness of the HPV virus (HPVHEAR).

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



There are no comparability issues.


  • 2010: Female sample adults age 18-64 who have received an HPV shot/vaccine and REF/DK date of last HPV shot or selected years ago for the time period format.


  • 2010