A clinical trial is a type of research study that involves people
to test new methods of screening, prevention, diagnosis, or
treatment of a disease. Has your health care provider ever
talked to you about participating in a clinical trial?

Response Unweighted Frequency Weighted Percentage Standard Error Lower 95% Confidence
Upper 95% Confidence
Yes 187 3.7 0.3 3.1 4.4
No 3886 96.3 0.3 95.6 96.9

Among all respondents, excluding unknowns and refusals.
On Questionnaire Split B