Table 1.

Views and Perceptions of Amyloid Imaging thematic categories

Category	Items
Perceived Risk	Item 2: To put my mind at ease if I found out I do not have elevated amyloid on my PET scan
	Item 7: To confirm the feeling that I might already be developing symptoms of Alzheimer’s disease dementia
Altruism and contribute	Item 4: To be able to participate in anti-amyloid clinical trials
	Item 5: The desire to contribute to research on Alzheimer’s disease
Plan and prepare	Item 1: To seek information on preventative measure (e.g., change diet, exercise, or other lifestyle changes)
	Item 6: To arrange my personal affairs
	Item 8: To prepare my family for my possible illness in the future
Curiosity	Item 3: To know more about my risk of developing Alzheimer’s disease dementia
	Item 9: Curiosity