. Author manuscript; available in PMC: 2021 Nov 1.

Published in final edited form as: Psychol Aging. 2020 Nov;35(7):993–999. doi: 10.1037/pag0000582

Table 2.

Association between personality and amyloid

Model 1	amyloid DVR ~ each personality trait + age + sex
BFI dimension	ß(SE)	95% CI	t	p	R²	f²
Agreeableness	−0.11 (0.09)	[−0.28,0.06]	−1.27	0.207	0.091	0.100
Conscientiousness	−0.19 (0.08)	[−0.36,−0.03]	−2.32	0.022 ^*	0.117	0.132
Extraversion	0.04 (0.09)	[−0.12,0.22]	0.49	0.624	0.082	0.100
Neuroticism	0.04 (0.09)	[−0.13,0.21]	0.48	0.633	0.081	0.088
Openness	−0.08 (0.09)	[−0.25,0.09]	−0.89	0.375	0.085	0.093
Model 2	amyloid DVR ~ each personality trait + age + sex + education
BFI dimension	ß(SE)	95% CI	t	p	R²	f²
Agreeableness	−0.13 (0.09)	[−0.30,0.04]	−1.51	0.134	0.112	0.125
Conscientiousness	−0.19 (0.08)	[−0.35,−0.02]	−2.19	0.030 ^*	0.129	0.148
Extraversion	0.04 (0.09)	[−0.13,0.21]	0.45	0.656	0.097	0.107
Neuroticism	0.02 (0.09)	[−0.15,0.19]	0.27	0.789	0.097	0.107
Openness	−0.06 (0.09)	[−0.23,0.11]	−0.65	0.519	0.098	0.109
Model 3	amyloid DVR ~ each personality trait + age + sex + education + BMI + HTN
BFI dimension	ß(SE)	95% CI	t	p	R²	f²
Agreeableness	−0.14 (0.09)	[−0.31,0.04]	−1.53	0.129	0.091	0.101
Conscientiousness	−0.19 (0.09)	[−0.35,−0.02]	−2.18	0.031 ^*	0.133	0.153
Extraversion	0.05 (0.09)	[−0.13,0.22]	0.53	0.600	0.082	0.089
Neuroticism	0.03 (0.09)	[−0.14,0.21]	0.34	0.732	0.081	0.088
Openness	−0.06 (0.09)	[−0.23,0.11]	−0.68	0.497	0.085	0.093

Note. BFI, Big Five Inventory; BMI, body mass index; HTN, hypertension

Standardized regression coefficients (β), t, p, R², and f² values correspond to multivariate regression models adjusted by covariates.

p<0.05