BSOTRMOR is a variable with three columns and no implied decimal place.
000 = None
997 = Unknown-refused
998 = Unknown-not ascertained
999 = Unknown-don't know
For sample adults age 40 and over who have ever had a blood stool test, except for those for whom the date of exam was unknown, BSTOMOR reports the number of months since the person's most recent office blood stool test.
- 2000: Sample adults age 40+ who ever had office blood stool test, except for those for whom the date of the exam unknown.
- 2000 : SAMPWEIGHT