Codes and Frequencies
For sample adults age 40 and older, CREVER indicates whether the person ever had a colorectal screening exam. Screening exams mentioned include sigmoidoscopy, colonoscopy, or proctoscopy exams. If necessary, interviewers provided the following description: "These are exams in which a health care professional inserts a tube into the rectum to look for signs of cancer or other problems".
- 2000; 2003; 2005; 2008: Sample adults age 40+.
- 2000, 2003, 2005, 2008
- 2000, 2003, 2005, 2008 : SAMPWEIGHT