Table 1.

Patient Demographic Characteristics

Characteristic	No.	%
Total No.	230
Sex
Male	87	37.8
Female	143	62.2
Age, years
< 45	18	7.8
45-54	38	16.5
55-64	64	27.8
65-74	53	23.0
75-84	47	20.4
> 84	10	4.3
Ethnicity
African American	2	0.8
Hispanic/Latino	1	0.4
Native American	32	13.9
White	182	79.1
Other/unknown	13	5.6
Education
< High school	9	3.9
High school	118	51.3
Undergraduate	53	23
Graduate	46	19.9
Other	4	1.7