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Time since home blood stool test: Grouped year recode 1 (2000 method)

Codes and Frequencies

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For sample adults aged 40 and older who ever had a home blood stool test (BSTHEV), BSTHLGYRR1 is a recoded variable that indicates the number of years in grouped intervals since the last home blood stool test, using the 2000 estimation method.


This is a time category recode for the time since the most recent blood stool test using a kit at home. This variable uses the same information collected in 2000 and 2003, and the same estimation method used in 2000.

There is a similar version of this variable, BSTHLGYRR2, using the same estimation method used in 2005.


This variable has no comparability issues.


  • 2010; 2013; 2015; 2018: Sample adults age 40+ who have had a home blood stool test.


  • 2010, 2013, 2015, 2018