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Duration since last HPV shot: Time period

Codes and Frequencies

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For female sample adults age 18 to 64 who have received a human papilloma virus (HPV) vaccine or shot, HPVACLTP reports the time units (days, weeks, months, or years since last shot) for the time since the woman received her last HPV shot. HPVACLTP should be used in conjunction with HPVACLNO, which reports the corresponding number of units stated by the respondent.

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 answered in number and time period format.


  • 2010