Table 2.

Perceived risk of AD: multivariate linear regression with varying specifications

Dependent variable: probability of developing AD in the next 10 years (0–100)
	(A) Overall sample N = 725		(B) Age 64 or under N = 300		(C) Age 65 or older N = 425		(D) Including “self-rated memory decline” N = 725		(E) Including “self-rated longevity expectation” N = 679
	Coefficient (SE)	P-value	Coefficient (SE)	P-value	Coefficient (SE)	P-value	Coefficient (SE)	P-value	Coefficient (SE)	P-value
Self-rated memory decline							11.16‡ (2.63)	<0.001
Longevity expectation (0–100)									−0.10‡ (0.04)	0.006
Known risk factors of AD
Age	−0.02 (0.12)	0.85	0.57* (0.32)	0.081	−0.64‡ (0.21)	0.0031	−0.01 (0.12)	0.93	0.04 (0.13)	0.75
Cognitive functioning (0–27)	−0.75‡ (0.28)	0.0063	−0.58 (0.42)	0.17	−0.96† (0.38)	0.012	−0.70† (0.27)	0.010	−0.70† (0.29)	0.014
Physical activity	−4.57† (2.03)	0.025	−4.21 (3.02)	0.16	−5.57* (2.86)	0.053	−3.99† (2.02)	0.048	−4.07† (2.06)	0.049
Cardiovascular disease
Stroke	4.09 (4.81)	0.40	−2.32 (8.49)	0.79	9.01 (6.06)	0.14	3.33 (4.84)	0.49	3.37 (5.05)	0.51
Heart attack	−8.02 (6.95)	0.25	−11.44 (10.30)	0.27	−4.71 (9.54)	0.62	−8.28 (7.12)	0.25	−8.88 (8.17)	0.28
Diabetes	3.19 (2.74)	0.25	1.73 (3.72)	0.65	3.60 (3.76)	0.34	2.88 (2.70)	0.29	2.90 (2.84)	0.31
Any ADL limitation	0.57 (3.31)	0.86	6.77 (5.10)	0.19	−1.73 (4.35)	0.69	−1.46 (3.25)	0.65	1.78 (3.62)	0.62
Other sociodemographic factors
Female	2.26 (2.16)	0.30	4.65 (3.05)	0.11	−0.51 (2.99)	0.85	2.54 (2.12)	0.21	2.09 (2.19)	0.32
Race/ethnicity (ref: non-Latino white)
Black	−8.35* (4.31)	0.053	1.92 (6.54)	0.77	−16.86‡ (5.59)	0.0027	−7.93* (4.31)	0.066	−6.71 (4.75)	0.16
Latino	−6.71 (4.32)	0.12	−6.42 (5.01)	0.20	−7.58 (7.47)	0.31	−6.37 (4.14)	0.12	−7.91* (4.48)	0.078
Other race	8.64 (8.96)	0.34	−1.99 (11.44)	0.86	9.30 (11.74)	0.43	7.39 (9.60)	0.44	8.54 (8.69)	0.33
Education (ref: high school graduate)
Less than high school	1.44 (3.01)	0.63	−2.72 (4.97)	0.59	4.14 (3.82)	0.28	1.78 (2.96)	0.55	1.44 (3.16)	0.65
Some college	−1.36 (2.20)	0.54	−4.97 (3.18)	0.12	1.57 (3.08)	0.61	−1.38 (2.17)	0.53	−0.67 (2.29)	0.77
Married	1.18 (2.55)	0.64	4.56 (3.96)		−2.02 (3.41)	0.55	1.22 (2.49)	0.63	−0.19 (2.64)	0.94
Constant	43.56‡ (11.25)	<0.001	−1.03 (21.60)	0.96	95.96‡ (19.84)	<0.001	39.48‡ (11.07)	<0.001	43.97‡ (11.76)	<0.001
R-squared	0.04		0.07		0.06		0.07		0.06

^*P < 0.1,

^†P < 0.05,

^‡P < 0.01.

AD, Alzheimer’s disease; ADL, activity of daily living; SE, standard error.