2a. When did you have your most recent oral cancer exam?
Month ____ [if 3 years ago or less (3); if more than 3 years ago (5)]
Year 19____ [if 3 years ago or less (3); if more than 3 years ago (5)]
OR
Number ____
1[] Days ago [if 3 years ago or less (3); if more than 3 years ago (5)]
2[] Weeks ago [if 3 years ago or less (3); if more than 3 years ago (5)]
3[] Months ago [if 3 years ago or less (3); if more than 3 years ago (5)]
4[] Years ago [if 3 years ago or less (3); if more than 3 years ago (5)]
999[] DK (2b)