Table 1.

Characteristics of Study Sample

	Whites (%)	Blacks* (%)	Hispanics* (%)	Asians* (%)
Overall sample	73.8 (n = 3,367)	11.9 (n = 1,016)	10.5 (n = 1,088)	3.8 (n = 595)
Education
Less than high school	10.8	19.0†	36.8†	9.4
High school graduate	32.7	36.5	28.9	17.2†
Some college/Technical school or more	56.2	44.0†	33.8†	72.9†
Income as percent of poverty level
<200%	25.0	41.9†	45.6†	23.1
>200%	57.9	40.2†	33.0†	56.3
Unknown	17.1	17.9	21.4§	20.6
Insurance status
No insurance	10.0	20.0†	29.5†	12.3
Medicaid	2.4	8.6†	6.3†	2.5
Private/Medicare/Other	87.6	71.5†	64.1†	85.1
English as primary language	99.9	99.6	62.8‡	90.5‡
Age
18–39	36.0	47.9†	56.5†	53.9†
40–64	44.0	38.3 §	33.8†	36.0§
65+	18.8	12.4‡	9.3†	7.7†
Male gender	43.9	41.6	44.1	49.9
Usual source of care
Community clinic	6.9	10.0§	21.7†	7.5
Hospital outpatient	3.0	9.0†	3.4	7.3†
Emergency department	4.3	11.1†	7.2§	4.2
Private clinic	83.2	67.5†	64.2†	76.5§

*Percentages from chi-squared analysis in each racial/ethnic group compared to whites. The term “Whites” refers to non-Hispanic whites; “Blacks” refers to non-Hispanic blacks.

†P <0 .001

‡P <0 .01

§P <0 .05