Table 1.

Assessment of participant attitudes toward the study partner requirement

Statement 1	The study partner requirement makes me less likely to enroll.
Statement 2	It would be important to me to participate with a study partner.
Statement 3	There is no one with whom I have adequate contact to fill the study partner role.
Statement 4	A study partner would be able to provide more accurate information to the study team about me than I would.
Statement 5	I do not want to inconvenience the person who could be my study partner.
Statement 6	The opportunity to have someone I trust accompany to study visits would make me more likely to enroll.
Statement 7	I would not want the person who could be my study partner to know I was participating in research.
Statement 8	I would not want the person who could be my study partner to know if I had elevated brain amyloid.
Statement 9	I would want the person who could be my study partner with me when I learned my brain amyloid status result.