Table 1.

Study population characteristics

		AA		CA
Factor	Level	n	%	n	%
Age (years)	40 – < 45	5,092	29.1	1,154	26.0
	45 – < 50	4,561	26.0	1,018	23.0
	50 – < 55	3,658	20.9	797	18.0
	55 – < 60	2,018	11.5	596	13.4
	60 – < 65	1,163	6.6	425	9.6
	65 – < 70	594	3.4	247	5.6
	70 – < 75	292	1.7	132	3.0
	75 – < 80	136	0.8	66	1.5
Health Insurance*	None	8,719	50.0	2,173	49.1
	Military	596	3.4	126	2.9
	Public	4,838	27.7	1,455	32.9
	Private	3,079	17.7	632	14.3
	Other	206	1.2	37	0.8
Time since last doctor visit	0–5 months	11,686	67.5	3,284	74.5
	6–11 months	1,205	7.0	322	7.3
	12 months or more	4,434	25.6	803	18.2
Prior Diabetes	Yes	3,026	17.3	858	19.4
	No	14,477	82.7	3,573	80.6
Prior Heart Disease	Yes	1,082	6.2	652	14.7
	No	16,418	93.8	3,778	85.3
Education	< High School	6,132	35.0	1,444	32.6
	High School or GED	7,370	42.1	1,736	39.2
	Any college	4,008	22.9	1,254	28.3
Household Annual Income ($)	< $15,000	10,968	63.2	2,627	59.6
	$15,000 – < $25,000	3,849	22.2	936	21.2
	$25,000 – < $50,000	1,939	11.2	579	13.1
	$50,000 – < $100,000	505	2.9	221	5.0
	$100,000 or more	92	0.5	46	1.0
Marital Status	Currently Married	5040	28.8	1,815	40.9
	Single/Divorced/widowed	12,471	71.2	2,619	59.1
BPH	Yes	720	4.1	440	9.9
	No	16,794	95.9	3,995	90.1
Surgery For BPH	Yes	93	12.9	40	9.1
	No	626	87.1	400	90.9

Military coverage includes participants reporting a military source (e.g., CHAMPUS) and without private or publically funded insurance. Public insurance includes participants who have any Medicare or Medicaid coverage, but who do not have any private insurance coverage. Private coverage includes participants reporting any private insurance coverage, either alone or in combination with public or other coverage. Missing data includes insurance (n=88), last doctor visit (n=215), diabetes (n=15), heart disease (n=19), education (n=5), income (n=187), marital status (n=4).