TABLE 1.

Sample Characteristics (n = 1361)^*

Characteristics	Cross-sectional Sample	Cohort Sample
N	1361	611
Mean age (yr)	59.0 (11.6)	59.0 (11.6)
Mean education (yr)	9.6 (5.1)	9.6 (5.1)
Percent male	40.0%	42.9%
Race/ethnicity (%)
Non-Hispanic white	26.5 (44.1)	29.1 (45.5)
Hispanic	54.5 (49.8)	58.9 (49.2)
Vietnamese	19.0 (39.2)	12.0 (32.5)
Median annual household income ($)	$23,800	$26,700

^*Table entries based on responses to patient questionnaire; entries are means with standard deviations in parentheses or percents as noted.