42a. When did you have your (most recent) blood stool test?
Months ____ [if 3 years ago or less (43); if more than 3 years ago (46)]
Year 19____ [if 3 years ago or less (43); if more than 3 years ago (46)]
OR
Number ____ [if 3 years ago or less (43); if more than 3 years ago (46)]
1[] Days ago [if 3 years ago or less (43); if more than 3 years ago (46)]
2[] Weeks ago [if 3 years ago or less (43); if more than 3 years ago (46)]
3[] Months ago [if 3 years ago or less (43); if more than 3 years ago (46)]
4[] Years ago [if 3 years ago or less (43); if more than 3 years ago (46)]
999[] DK (42b)
b. Was it within the past year, between 1 and 3 years ago, or over 3 years ago?
1[] Within the past year (43)
2[] 1 to 3 years ago (43)
3[] Over 3 years ago (46)
9[] DK (46)