Online Study of Colorectal Cancer and Prostate Cancer Screening Decision Making (CARR2)

University of North Carolina (UNC) logo

University of North Carolina (UNC)

Status

Completed

Conditions

Colon Cancer
Prostate Cancer
Colorectal Cancer

Treatments

Other: Rating and Ranking Task
Other: Discrete Choice Task
Other: Balance Sheet Task

Study type

Interventional

Funder types

Other

Identifiers

NCT01558583
UCRF-CARR2-11-0861

Details and patient eligibility

About

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.

Full description

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.

Enrollment

1,831 patients

Sex

All

Ages

50 to 75 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

Colorectal cancer

men and women, ages 50-75, who can speak and read English.

Prostate cancer screening

men, ages 50-75, who can speak and read English.

Exclusion criteria

Colorectal Cancer

individuals with a previous personal or family history of colon cancer, personal history of polyps, or inflammatory bowel disease will be excluded.

Prostate cancer

individuals with a previous personal or family history of prostate cancer will be excluded

Trial design

Primary purpose

Health Services Research

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

1,831 participants in 3 patient groups

Rating and Ranking Group
Other group
Description:
A group of individuals from the United States and Australia who complete a rating and ranking task.
Treatment:
Other: Rating and Ranking Task
Discrete Choice Group
Other group
Description:
A group of individuals from the United States and Australia who complete a discrete choice experiment task.
Treatment:
Other: Discrete Choice Task
Balance Sheet Group
Other group
Description:
Individuals from the United States and Australia who will complete an implicit values clarification task
Treatment:
Other: Balance Sheet Task

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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