Table 1.

Characteristics of testicular cancer cases and population controls. Western Washington State, January 1999 – January 2006

Characteristic	Controls (N =979)		Cases (N = 369)
	N	%	N	%
Age at reference date (years)
18–24	121	12.3	55	14.9
25–29	127	13.0	60	16.3
30–34	245	25.0	94	25.5
35–39	247	25.2	83	22.5
40–44	239	24.4	77	20.9
Reference year
1999–2002	630	64.4	217	58.8
2003–2006	349	35.6	152	41.2
Race and Hispanic ethnicity
White non-Hispanic	783	80.0	324	87.8
African-American (Hispanic or non-Hispanic)	28	2.9	0	0.0
White Hispanic	15	1.5	10	2.7
Other non-Hispanic	117	12.0	28	7.6
Other Hispanic	36	3.7	7	1.9
Household income at reference date
<$25,000	110	11.3	55	14.9
$25,000 – 50,000	236	24.2	108	29.3
$50,000 – 90,000	400	41.0	126	34.2
$90,000 +	229	23.5	79	21.5
Refused	4		1
Highest level of education
High school or less	229	23.4	96	26.0
Trade school	124	12.7	49	13.3
College	473	48.3	183	49.6
> College	153	15.6	41	11.1
History of cryptorchidism
No	955	97.5	329	90.1
Yes	24	2.5	36	9.9
Don’t know	0		4
First degree family history of testicular cancer
No	863	99.0	315	97.2
Yes	9	1.0	9	2.8
Don’t know	107		45