Table 3 Correct responses to knowledge items for each sample
Online | Providers | Clinic sample | ||
|---|---|---|---|---|
Sample | ||||
Question (correct answer) | DA | No DA | ||
N = 163 | N = 175 | N = 115 (%) | N = 94 (%) | |
1. At what age do doctors usually recommend people start getting regular tests for colon cancer? (50)* | 150 (92%) | 126 (72%) | 114 (99%) | 50 (53%) |
2. Out of every 100 people about how many will get colon cancer some time in their lives? (6)* | 109 (67) | 63 (36%) | 66 (57%) | 6 (6%) |
3. Does having a colon cancer test result that is not normal always mean that a person has colon cancer? (No) | 155 (95%) | 168 (96%) | 113 (98%) | 81 (86%) |
4. How often do serious problems, such as serious bleeding or a tear in the colon, happen as a result of a colonoscopy? (Rarely)* | 151 (93%) | 125 (71%) | 109 (95%) | 55 (59%) |
5. For a person with an average risk for colon cancer, which test do doctors recommend be done every year? (Stool blood test)* | 140 (86%) | 96 (55%) | 112 (97%) | 28 (30%) |
6. For a person with an average risk for colon cancer, which test do doctors recommend be done every 10 years? (Colonoscopy)* | 147 (90%) | 115 (66%) | 111 (97%) | 48 (51%) |
7. How does regular testing for colon cancer change the chances that a person will die from colon cancer? (Decreases chance) | 156 (96%) | 160 (91%) | 113 (98%) | 70 (75%) |
8. Which colon cancer test is least likely to miss a cancer? (Colonoscopy)* | 92 (56%) | 72 (41%) | 100 (87%) | 21 (22%) |
9. If the results of a colon cancer test are normal, is it possible that a person could still have colon cancer? (Yes) | 136 (83%) | 148 (85%) | 110 (96%) | 71 (76%) |
10. Out of every 100 people about how many will die of colon cancer? (3)* | 133 (82%) | 53 (30) | 73 (64%) | 12 (13%) |