Instrument Variable Name: CATEVER
Question Text:

The following questions are about CT scans, also called CAT scans. During this test, you are lying down and moved through a donut shaped x-ray machine while holding your breath.
Have you EVER HAD a CT or CAT scan?

1 Yes
2 No
7 Refused
9 Don't know

Universe Text: Sample adults 40+
Skip Instructions:

(1) [go to CATCHST1]
(2,D,R) [go to ASPIRIN]