Instrument Variable Name: CTREAS
Question Text:

What was the MAIN reason you had this CT colonography or virtual colonoscopy - was it part of a routine exam, because of a problem, as a follow-up test of an earlier test or screening exam, or some other reason?

1 Part of a routine exam
2 Because of a problem
3 Follow-up test of an earlier test or screening exam
4 Other reason
7 Refused
9 Don't know

Universe Text: Sample adults 40+ who have had a CT colonography or virtual colonoscopy
Skip Instructions:

(1-4,R,D) [go to POLYP]

Instrument Variable Name: CTREAS
QuestionText:

What was the MAIN reason you had this CT colonography or virtual colonoscopy - was it part of a routine exam, because of a problem, as a follow-up test of an earlier test or screening exam, or some other reason?

1 Part of a routine exam
2 Because of a problem
3 Follow-up test or an earlier test or screening exam
4 Other reason
7 Refused
9 Don't know

UniverseText: Sample adults 40+ who have had a CT colonography or virtual colonoscopy
SkipInstructions:

(1-4,R,D) [goto POLYP]