Table 4. Adjusted OR for likelihood of endorsing AD perceived threat and AD knowledge items.

Participant characteristic	Perceived threat items			Knowledge items
	You'd like to know your chances of getting AD	You believe you will get AD someday	You worry about getting AD someday	Prescription drugs to prevent AD are available	Having a parent or sibling with AD increases risk
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
Age, years
50–64	2.04 (1.53–2.72)	1.29 (0.92–1.82)	1.43 (1.01–2.04)	1.05 (0.74–1.50)	2.30 (1.70–3.12)
65–74	1.41 (1.05–1.91)	1.04 (0.71–1.53)	1.24 (0.88–1.77)	1.05 (0.76–1.46)	2.08 (1.55–2.79)
≥75	1.00	1.00	1.00	1.00	1.00
Female	1.01 (0.75–1.36)	0.83 (0.59–1.18)	1.32 (0.99–1.76)	0.77 (0.60–1.00)	1.70 (1.27–2.28)
Race/ethnicity
Hispanic	1.12 (0.68–1.83)	1.60 (1.05–2.44)	1.19 (0.72–1.95)	0.80 (0.54-1.18)	0.84 (0.56–1.26)
Black	1.16 (0.74–1.82)	1.26 (0.81–1.95)	0.81 (0.57–1.16)	0.74 (0.48-1.14)	0.36 (0.24–0.52)
White
Education
No degree	1.10 (0.70–1.74)	3.17 (2.05–4.91)	1.55 (0.92-2.63)	0.24 (0.16–0.36)	0.63 (0.40–0.98)
High school/GED	1.13 (0.78–1.62)	1.54 (1.07–2.21)	1.01 (0.70-1.47)	0.37 (0.26–0.52)	0.58 (0.40–0.84)
≥ 2-year college degree	1.00	1.00	1.00	1.00	1.00
Know anyone with AD?
No	0.60 (0.39–0.92)	0.26 (0.17–0.41)	0.29 (0.19-0.44)	0.84 (0.55–1.28)	0.70 (0.44–1.09)
Yes, but not a spouse or first-degree relative	0.67 (0.42–1.06)	0.31 (0.20–0.50)	0.41 (0.26-0.66)	0.93 (0.58–1.49)	0.94 (0.64–1.38)
Yes, a spouse or first-degree relative	1.00	1.00	1.00	1.00	1.00

Abbreviations: AD, Alzheimer's disease; CI, confidence interval; GED, General Educational Development; OR, odds ratio.

Note. All data are weighted, and there were between 4 and 5 missing data points across items. Statistically significant results are noted in bold.