Table 1.

Descriptive Statistics of the Study Sample

	Case Subjects (n = 1433)		Control Subjects (n = 1350)		Cases versus Controls
	No.	%	No.	%
Age
20-29	24	1.7	20	1.5
30-39	89	6.2	87	6.5
40-49	271	18.9	252	18.7
50-59	405	28.3	410	30.5
60-69	435	30.4	356	26.5
70-79	208	14.4	220	16.3
Mean (Standard Deviation)	57.5 (11.7)		57.4 (12.0)		p=0.74
Gender
Male	384	26.8	392	29.0
Female	1049	73.2	958	71.0	p=0.19
Race
White	1191	83.1	1157	85.7
Black	114	8.0	61	4.5
Asian	51	3.6	51	3.8
Other	67	5.3	81	6.0	p=0.08
Residence
Connecticut	147	10.3	167	12.4
Massachusetts	314	21.9	321	23.8
North Carolina	424	29.6	394	29.2
California	366	25.4	317	23.5
Texas	182	12.7	151	11.2	P=0.17
Education
<=16 Years	386	27.1	238	17.7	p<.01
> 16 Years	1041	72.9	1109	82.3
Income
<=$75,000	720	57.2	590	48.6	p<.01
> $75,000	538	42.8	624	51.4