The Role of Education and Intellectual Activity on Cognition

Table 1

Demographic characteristics of sample.

	%	M	SD
Age (years)		67.49	5.95
Education (years)		13.85	2.94
Elementary school (K-8)	2.3
High school/equivalent (9–12)	40.2
College (13–16)	41.2
Postgraduate	13.1
Other	1.1
Income (past 12 months)
Less than $5,000	6.1
$5,000–14,999	23.1
S15,000–34,999	35.2
$35,000–74,999	27.4
$75,000 or greater	6.8
Sex
Male	15.4
Female	84.6
Race
African American	90.5
European American	5.1