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Sigmoidoscopy and Colonoscopy  
The following questions are about sigmoidoscopy and colonoscopy, two other tests to check for colon cancer. Both tests examine the colon using a narrow, lighted tube that is inserted in the rectum. Sigmoidoscopy only examines the lower part of the colon, while colonoscopy examines the entire colon. In T and F surveys, the interviewer may wish to repeat the description of colonoscopy. In M surveys, a respondent can refer back to the description. A lead-in for T and F might be “Now I will ask you about colonoscopy, a test that uses a long tube and examines the entire colon.”  
With the sigmoidoscopy: With the colonoscopy: 
 •You are awake.  •You are given medicine through a needle in your arm to make you sleepy. 
 •You are able to drive yourself home.  •You need someone to drive you home. 
 •You are able to resume your normal activities.  •You may need to take the rest of the day off from your usual activities. 
Questions for sigmoidoscopy Questions for colonoscopy 
Before these tests were described, had you ever heard of sigmoidoscopy? Before these tests were described, had you ever heard of colonoscopy? 
 •Yes  •Yes 
 •No  •No 
 •Not sure/do not know  •Not sure/do not know 
If “yes” to “ever heard”: If “yes” to “ever heard”: 
Have you ever had a sigmoidoscopy? Have you ever had a colonoscopy? 
 •Yes  •Yes 
 •No  •No 
 •Not sure/do not know  •Not sure/do not know 
If “yes” to “ever heard”: If “yes” to “ever heard”: 
How many sigmoidoscopic examinations have you had in the last 10 years? How many colonoscopic examinations have you had in the last 10 years? 
 •1  •1 
 •2  •2 
 •>2  •>2 
 •Not sure/do not know  •Not sure/do not know 
Was your most recent sigmoidoscopy: Was your most recent colonoscopy: 
 •A year ago or less  •A year ago or less 
 •More than 1 but not more than 5 years ago  •More than 1 but not more than 5 years ago 
 •More than 5 but not more than 10 years ago  •More than 5 but not more than 10 years ago 
 •More than 10 years ago  •More than 10 years ago 
 •Not sure/do not know  •Not sure/do not know 
What was the month and year of your most recent sigmoidoscopy? What was the month and year of your most recent colonoscopy? 
 Month_____/Year_____  Month_____/Year_____ 
Why did you have your most recent sigmoidoscopy? Why did you have your most recent colonoscopy? 
 •Part of a routine examination or checkup  •Part of a routine examination or checkup 
 •Because of a symptom or health problem  •Because of a symptom or health problem 
 •Follow-up of an earlier abnormal test  •Follow-up of an earlier abnormal test 
 •Not sure/do not know  •Not sure/do not know 
Prompt for T and F surveys: “You said that your most recent test was [insert time frame]” Prompt for T and F surveys: “You said that your most recent test was [insert time frame]” 
When did you have the sigmoidoscopy before your most recent one? When did you have the colonoscopy before your most recent one? 
 •None before the most recent  •None before the most recent 
 •More than 1 but not more than 2 years before  •More than 1 but not more than 2 years before 
 •More than 5 years before  •More than 2 years before 
 •Not sure/do not know  •Not sure/do not know 
Why did you have that sigmoidoscopy? Why did you have that colonoscopy? 
 •Part of a routine examination or checkup  •Part of a routine examination or checkup 
 •Because of a symptom or health problem  •Because of a symptom or health problem 
 •Follow-up of an earlier abnormal test  •Follow-up of an earlier abnormal test 
 •Not sure/do not know  •Not sure/do not know 
Sigmoidoscopy and Colonoscopy  
The following questions are about sigmoidoscopy and colonoscopy, two other tests to check for colon cancer. Both tests examine the colon using a narrow, lighted tube that is inserted in the rectum. Sigmoidoscopy only examines the lower part of the colon, while colonoscopy examines the entire colon. In T and F surveys, the interviewer may wish to repeat the description of colonoscopy. In M surveys, a respondent can refer back to the description. A lead-in for T and F might be “Now I will ask you about colonoscopy, a test that uses a long tube and examines the entire colon.”  
With the sigmoidoscopy: With the colonoscopy: 
 •You are awake.  •You are given medicine through a needle in your arm to make you sleepy. 
 •You are able to drive yourself home.  •You need someone to drive you home. 
 •You are able to resume your normal activities.  •You may need to take the rest of the day off from your usual activities. 
Questions for sigmoidoscopy Questions for colonoscopy 
Before these tests were described, had you ever heard of sigmoidoscopy? Before these tests were described, had you ever heard of colonoscopy? 
 •Yes  •Yes 
 •No  •No 
 •Not sure/do not know  •Not sure/do not know 
If “yes” to “ever heard”: If “yes” to “ever heard”: 
Have you ever had a sigmoidoscopy? Have you ever had a colonoscopy? 
 •Yes  •Yes 
 •No  •No 
 •Not sure/do not know  •Not sure/do not know 
If “yes” to “ever heard”: If “yes” to “ever heard”: 
How many sigmoidoscopic examinations have you had in the last 10 years? How many colonoscopic examinations have you had in the last 10 years? 
 •1  •1 
 •2  •2 
 •>2  •>2 
 •Not sure/do not know  •Not sure/do not know 
Was your most recent sigmoidoscopy: Was your most recent colonoscopy: 
 •A year ago or less  •A year ago or less 
 •More than 1 but not more than 5 years ago  •More than 1 but not more than 5 years ago 
 •More than 5 but not more than 10 years ago  •More than 5 but not more than 10 years ago 
 •More than 10 years ago  •More than 10 years ago 
 •Not sure/do not know  •Not sure/do not know 
What was the month and year of your most recent sigmoidoscopy? What was the month and year of your most recent colonoscopy? 
 Month_____/Year_____  Month_____/Year_____ 
Why did you have your most recent sigmoidoscopy? Why did you have your most recent colonoscopy? 
 •Part of a routine examination or checkup  •Part of a routine examination or checkup 
 •Because of a symptom or health problem  •Because of a symptom or health problem 
 •Follow-up of an earlier abnormal test  •Follow-up of an earlier abnormal test 
 •Not sure/do not know  •Not sure/do not know 
Prompt for T and F surveys: “You said that your most recent test was [insert time frame]” Prompt for T and F surveys: “You said that your most recent test was [insert time frame]” 
When did you have the sigmoidoscopy before your most recent one? When did you have the colonoscopy before your most recent one? 
 •None before the most recent  •None before the most recent 
 •More than 1 but not more than 2 years before  •More than 1 but not more than 2 years before 
 •More than 5 years before  •More than 2 years before 
 •Not sure/do not know  •Not sure/do not know 
Why did you have that sigmoidoscopy? Why did you have that colonoscopy? 
 •Part of a routine examination or checkup  •Part of a routine examination or checkup 
 •Because of a symptom or health problem  •Because of a symptom or health problem 
 •Follow-up of an earlier abnormal test  •Follow-up of an earlier abnormal test 
 •Not sure/do not know  •Not sure/do not know 
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