Table 4.

Regression of Parkinsonism on Demographic and Cognitive Variables

Variable	OR (95% CI)	p Value
Race (White vs AA)	2.58 (1.89, 3.52)	<.0001
Education	1.05 (1.01, 1.09)	.03
Age at visit	1.04 (1.02, 1.06)	.0003
Baseline income	0.93 (0.89, 0.98)	.01
Perceptual speed	0.58 (0.50, 0.68)	<.0001
Working memory	0.77 (0.64, 0.93)	.01

Notes: All demographic and cognitive variables were included in the regression model, but only significant variables are shown. AA = African American; CI = confidence interval; OR = odds ratio.