Table 1.

Characteristics of cancer cases and controls

	Cancer cases	Controls
	(n = 1,029,732)	(n = 99,615)
Age in years, n (%)
66-74	452,889 (44.0%)	47,389 (47.6%)
75-84	434,024 (42.2%)	39,378 (39.5%)
85-99	142,819 (13.9%)	12,848 (12.9%)
Median age	76	75
Gender, n (%)
Male	544,023 (52.8%)	54,232 (54.4%)
Female	485,709 (47.2%)	45,383 (45.6%)
Selection year, n (%)
1992-1994	169,248 (16.4%)	14,893 (15.0%)
1995-1998	198,879 (19.3%)	19,775 (19.9%)
1999-2005	661,605 (64.3%)	64,947 (65.2%)
Race/ethnicity, n (%)
White	885,788 (86.0%)	83,730 (84.1%)
Black	80,226 (7.8%)	6,924 (7.0%)
Asian	24,980 (2.4%)	3,844 (3.9%)
Hispanic	14,992 (1.5%)	2,457 (2.5%)
Native American Indian	2,398 (0.2%)	321 (0.3%)
Other/unknown	21,345 (2.1%)	2,339 (2.4%)