Can't find the category you are looking for? Try the Detailed codes
Description
For sample persons over age 40 who have heard of blood stool tests and have had a test but don't know the time since the last test, BSTL1YR reports that the respondent's estimated time since the last blood stool test (of an unspecified type) was in the past year or longer.
Comparability
This variable has no comparability issues.
Universe
1987: Half of sample persons age 40+ (excluded from CAEP supplement) who have heard of blood stool test and have had test but don't know month/year of last test and don't know time since last test.
