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Participants will be recruited from the United States and Australia to take an online survey about colon cancer screening or prostate cancer screening. Individuals selected for both the prostate cancer survey and the colon cancer study will be randomized to take one of three survey types - balance sheet, rating and ranking or conjoint analysis. These surveys will help participants clarify their values and opinions about screening options for colon cancer or prostate cancer. Participants' responses to the online survey are measured at one point in time - the time at which the participant takes the survey.
This study will compare effect of a conjoint analysis based values clarification exercise, ranking and rating, and a balance sheet on screening test preferences for colorectal cancer screening and prostate cancer screening using online surveys. Recruitment will be conducted through Survey Sampling International (SSI), an online survey research firm. Participants will be randomized to one of three arms to take online surveys. Patients will complete either a conjoint analysis task, in which they will be asked to make a series of choices between hypothetical screening testing strategies with different attributes; a rating and ranking task for these same attributes; or they will make a choice after viewing a balance sheet of attributes.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Rating and Ranking Group | Other | A group of individuals from the United States and Australia who complete a rating and ranking task. |
|
| Discrete Choice Group | Other | A group of individuals from the United States and Australia who complete a discrete choice experiment task. |
|
| Balance Sheet Group | Other | Individuals from the United States and Australia who will complete an implicit values clarification task |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Rating and Ranking Task | Other | Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a rating and ranking format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening. |
| Measure | Description | Time Frame |
|---|---|---|
| Participant-reported most important attribute from survey | The single most important colon cancer or prostate cancer screening attribute indicated by the participant surveys. Each participant will be randomly assigned to take one of three survey versions: either (1) a conjoint analysis task wherein they will be asked to make a series of choices between hypothetical screening testing strategies with different attributes; (2) a rating and ranking task for these same attributes; or (3) they will make a choice after viewing a balance sheet of attributes. | 1 day |
| Measure | Description | Time Frame |
|---|---|---|
| Participant-reported intent to undergo screening from survey | the number of participants who state they plan to be screened for condition | 1 day |
| Unlabeled screening test options | choice on a single question among unlabeled screening test options |
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Inclusion Criteria:
Colorectal cancer
Prostate cancer screening
Exclusion Criteria:
Colorectal Cancer
Prostate cancer
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| Name | Affiliation | Role |
|---|---|---|
| Michael Pignone, MD, MPH | University of North Carolina, Chapel Hill | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cecil G. Sheps Center for Health Services Research | Chapel Hill | North Carolina | 27599 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 24272830 | Derived | Brenner A, Howard K, Lewis C, Sheridan S, Crutchfield T, Hawley S, Reuland D, Kistler C, Pignone M. Comparing 3 values clarification methods for colorectal cancer screening decision-making: a randomized trial in the US and Australia. J Gen Intern Med. 2014 Mar;29(3):507-13. doi: 10.1007/s11606-013-2701-0. Epub 2013 Nov 23. | |
| 24093428 |
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D003110 | Colonic Neoplasms |
| D011471 | Prostatic Neoplasms |
| D009369 | Neoplasms |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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|
| Discrete Choice Task | Other | Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a discrete choice format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening. |
|
| Balance Sheet Task | Other | Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a balance sheet format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening. |
|
| 1 day |
| Howard K, Brenner AT, Lewis C, Sheridan S, Crutchfield T, Hawley S, Nielsen ME, Pignone MP. A comparison of US and Australian men's values and preferences for PSA screening. BMC Health Serv Res. 2013 Oct 5;13:388. doi: 10.1186/1472-6963-13-388. |
| 23400279 | Derived | Pignone MP, Howard K, Brenner AT, Crutchfield TM, Hawley ST, Lewis CL, Sheridan SL. Comparing 3 techniques for eliciting patient values for decision making about prostate-specific antigen screening: a randomized controlled trial. JAMA Intern Med. 2013 Mar 11;173(5):362-8. doi: 10.1001/jamainternmed.2013.2651. |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |
| D005834 | Genital Neoplasms, Male |
| D014565 | Urogenital Neoplasms |
| D005832 | Genital Diseases, Male |
| D000091662 | Genital Diseases |
| D000091642 | Urogenital Diseases |
| D011469 | Prostatic Diseases |
| D052801 | Male Urogenital Diseases |