35a. When did you have your (most recent) protoscopic exam?
Month ____ [if 3 years ago or less (36); if more than 3 years ago (37)]
Year 19____ [if 3 years ago or less (36); if more than 3 years ago (37)]
OR
Number ____
1[] Days ago [if 3 years ago or less (36); if more than 3 years ago (37)]
2[] Weeks ago [if 3 years ago or less (36); if more than 3 years ago (37)]
3[] Months ago [if 3 years ago or less (36); if more than 3 years ago (37)]
4[] Years ago [if 3 years ago or less (36); if more than 3 years ago (37)]
999[] DK (35b)
b. Was it within the past year, between 1 and 3 years ago, or over 3 years ago?
1[] Within the past year (36)
2[] 1 to 3 years ago (36)
3[] Over 3 years ago (37)
9[] DK (37)