Appendix 1 Scales from the Final Model and Cronbach's α from Full Baseline Sample (n = 1,250; PCCaSO, 2005)
| I will read you a list of reasons and I'd like you to tell me how important each of them is in your decision of whether or not to get colon cancer testing. Response options: (4) very important-important-somewhat important-(1) not important | ||||
| Pros (α = 0.75) | 1 | Believing that finding cancer early gives you a better chance for a cure | ||
| 2 | Having peace of mind after receiving clear findings | |||
| 3 | Believing that colon cancer testing is safe with few serious complications | |||
| 4 | Believing that those close to you will be relieved if you get tested for colon cancer | |||
| 5 | Believing that getting tested is part of taking care of yourself | |||
| 6 | Believing that colon cancer testing can find cancer early | |||
| 7 | Understanding that when polyps are found and removed, cancer can be prevented | |||
| 8 | Realizing that the benefits of having colon cancer testing outweigh any difficulty that you might have doing the test | |||
| Cons (α = 0.78) | 1 | Being worried or concerned that if you do the test you might find something wrong | ||
| 2 | Being too embarrassed | |||
| 3 | Believing that colon cancer testing takes too much time | |||
| 4 | Thinking that doing the stool blood test might be disgusting | |||
| 5 | Expecting pain during a screening test | |||
| 6 | Believing that following a special diet or emptying your colon is too much trouble (prep) | |||
| 7 | Believing that the lack of symptoms means that you don't need colon cancer testing (no sx) | |||
| 8 | Having to arrange transportation to and from a colon cancer screening test (no ride) | |||
| 9 | Concern about the cost of the test or lack of insurance coverage | |||
| 10 | Being too embarrassed to talk to your doctor about colon cancer testing (MD emb) | |||
| Social influence | 1 | Believing that members of your immediate family think you should get tested for colon cancer | ||
| 2 | Believing that most people your age are being told they should get tested for colon cancer (age grp) | |||
| 3 | Believing that your friends think you should get tested for colon cancer | |||
| 4 | Believing that your doctor thinks you should get tested for colon cancer | |||
| This set of questions asks about how confident you are about certain aspects of colon cancer testing. Response options: (4) very confident-confident-not very confident-(1) not at all confident | ||||
| Self-efficacy (α = 0.91) | 1 | How confident are you that you can make a decision about whether or not to get colon cancer testing? | ||
| 2 | How confident are you that you can complete colon cancer testing? | |||
| 3 | How confident are you that you can complete colon cancer testing even if you are nervous about it? | |||
| 4 | How confident are you that you can complete colon cancer testing even if you are embarrassed about it? | |||
| 5 | How confident are you that you can find the time to complete colon cancer testing? | |||
| 6 | How confident are you that you can talk to your doctor about colon cancer testing? | |||
| 7 | How confident are you that you can carry out any necessary preparation for colon cancer testing? | |||
| 8 | How confident are you that you can get support from family or friends to help you complete colon cancer testing? | |||
| Items dropped from the final model; cons items misinterpreted by participants | ||||
| 1 | Needing/having a recommendation from your doctor (MDrec) | |||
| 2 | Feeling uncertain about what will be done during a colon cancer screening test | |||
| 3 | Realizing that you may need to adjust your schedule to do colon cancer testing | |||
| 4 | Believing that it would be upsetting to your family and friends if you had colon cancer | |||
| I will read you a list of reasons and I'd like you to tell me how important each of them is in your decision of whether or not to get colon cancer testing. Response options: (4) very important-important-somewhat important-(1) not important | ||||
| Pros (α = 0.75) | 1 | Believing that finding cancer early gives you a better chance for a cure | ||
| 2 | Having peace of mind after receiving clear findings | |||
| 3 | Believing that colon cancer testing is safe with few serious complications | |||
| 4 | Believing that those close to you will be relieved if you get tested for colon cancer | |||
| 5 | Believing that getting tested is part of taking care of yourself | |||
| 6 | Believing that colon cancer testing can find cancer early | |||
| 7 | Understanding that when polyps are found and removed, cancer can be prevented | |||
| 8 | Realizing that the benefits of having colon cancer testing outweigh any difficulty that you might have doing the test | |||
| Cons (α = 0.78) | 1 | Being worried or concerned that if you do the test you might find something wrong | ||
| 2 | Being too embarrassed | |||
| 3 | Believing that colon cancer testing takes too much time | |||
| 4 | Thinking that doing the stool blood test might be disgusting | |||
| 5 | Expecting pain during a screening test | |||
| 6 | Believing that following a special diet or emptying your colon is too much trouble (prep) | |||
| 7 | Believing that the lack of symptoms means that you don't need colon cancer testing (no sx) | |||
| 8 | Having to arrange transportation to and from a colon cancer screening test (no ride) | |||
| 9 | Concern about the cost of the test or lack of insurance coverage | |||
| 10 | Being too embarrassed to talk to your doctor about colon cancer testing (MD emb) | |||
| Social influence | 1 | Believing that members of your immediate family think you should get tested for colon cancer | ||
| 2 | Believing that most people your age are being told they should get tested for colon cancer (age grp) | |||
| 3 | Believing that your friends think you should get tested for colon cancer | |||
| 4 | Believing that your doctor thinks you should get tested for colon cancer | |||
| This set of questions asks about how confident you are about certain aspects of colon cancer testing. Response options: (4) very confident-confident-not very confident-(1) not at all confident | ||||
| Self-efficacy (α = 0.91) | 1 | How confident are you that you can make a decision about whether or not to get colon cancer testing? | ||
| 2 | How confident are you that you can complete colon cancer testing? | |||
| 3 | How confident are you that you can complete colon cancer testing even if you are nervous about it? | |||
| 4 | How confident are you that you can complete colon cancer testing even if you are embarrassed about it? | |||
| 5 | How confident are you that you can find the time to complete colon cancer testing? | |||
| 6 | How confident are you that you can talk to your doctor about colon cancer testing? | |||
| 7 | How confident are you that you can carry out any necessary preparation for colon cancer testing? | |||
| 8 | How confident are you that you can get support from family or friends to help you complete colon cancer testing? | |||
| Items dropped from the final model; cons items misinterpreted by participants | ||||
| 1 | Needing/having a recommendation from your doctor (MDrec) | |||
| 2 | Feeling uncertain about what will be done during a colon cancer screening test | |||
| 3 | Realizing that you may need to adjust your schedule to do colon cancer testing | |||
| 4 | Believing that it would be upsetting to your family and friends if you had colon cancer | |||