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Imputed portion of date or elapsed time

Codes and Frequencies

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For all injury/poisoning episodes, IRTIMEFLG is an imputation flag for IRDAYSR, which identifies observations according to the timing information provided by the respondent, as well as the method of imputation used to determine the number of days elapsed between the injury or poisoning episode and the interview date.

IRTIMEFLG is an injury-level variable.

IRTIMEFLG is part of a series of variables initiated in 1997 that systematically report persons' injuries and poisonings, the cause, what the person was doing while sustaining the injury or poisoning, and where she/he was at the time of the injury or poisoning. For related variables and additional information, please see the User Note on Injuries and Poisonings or use the IPUMS NHIS search function and drop-down menus.


This variable is comparable for available years.


  • 2004-2013; 2014 2015 2016 2017: All injuries and poisoning episodes.


  • 2004-2017