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Doctor ever told about home blood stool tests

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For sample adults aged 40 and older, BSTHTOLD reports whether a doctor or other health professional had ever told them about blood stool or occult blood tests, or fecal immunochemical (FIT) tests.

Please refer to BSTHEV for more information on variables covering home blood stool testing.


According to the 2018 Sample Adult Layout File, before being asked whether a doctor or health professional had ever told them about home blood stool/FIT tests, respondents were told "The following questions are about another type of test to check for colon cancer -- the blood stool or occult test, or fecal immunochemical or FIT test, tests to determine whether you have blood in your stool or bowel movement. These tests can be done at home using a kit. You use a stick or brush to obtain a small amount of stool at home and send it back to the doctor or lab."


This variable is comparable over time.


  • 2015; 2018: Sample adults age 40+.


  • 2015, 2018