Table 2.

Sample Characteristics (n=2832)

	%	Mean	S.D.	Range
Gender
Female	75.8
Age		73.6	5.9	65–94
Years of education		13.5	2.7	4–20
Race
Caucasian	72.1
African American	26.0
Other	1.7
Unknown	0.2
Marital status
Married	35.9
Self-reported health
Excellent/very good	43.9
Good	40.4
Fair/poor	15.7
Chronic conditions
Hypertension	51.0
Cataracts	49.7
Hypercholesterolemia	44.0
Ischemic heart disease	19.2
Osteoporosis	17.9
Chronic lung disease	14.9
Cognitive status
Mini-Mental State Examination score		27.3	2.0	23–30
Functional status
IADLa total performance		4.3	4.9	0–26
IADL difficulty		1.4	2.4	0–20
ADLb total performance		0.3	0.9	0–11

^aInstrumental activities of daily living.

^bActivities of daily living.