Table 1.

Characteristics of individuals aged 50 to 75 years in a representative sample of the California population.

Characteristic	N=8,851,003
Age (years); mean (SD)	59.9 (0.2)
Race/ethnicity; N (%)
Asian	981,352 (11)
Hispanic	1,965,587 (22)
Non-Hispanic Black	519,525 (5.9)
Non-Hispanic White	5,166,464 (58)
Other	218,075 (2.5)
Female; N (%)	4,621,455 (52)
Marital status; N (%)
Married or living with partner	6,387,410 (72)
Widowed, divorced, or separated	1,894,671 (21)
Never married	568,922 (6)
Education; N (%)
High school diploma or less	3,358,279 (38)
Some college or vocational school	2,147,883 (24)
Bachelor’s degree or more	3,344,841 (38)
Insurance N (%)
Employer-based/private	4,810,682 (54)
Medicare only/Medicare and Medicaid	2,491,552 (28)
Medicaid only/Healthy Family/Other public	555,835 (6.3)
No insurance	992,934 (11)
Household income; N (%)
0-99% FPLb	909,962 (10)
100-199% FPL	1,349, 602 (15)
200-299% FPL	1,140,832 (13)
≥300% FPL	5,450,607 (62)
Family history of colorectal cancer; N (%)	610,520 (6.9)
Colon cancer screening; N (%)
Fecal occult blood test (FOBT) within past year	2,241,502 (25)
Sigmoidoscopy within past 5 years	1,247,513 (14)
Colonoscopy within past 10 years	4,413,056 (50)
Any colon cancer screeninga	5,950,664 (67)

^aFecal occult blood test (FOBT) within past year, sigmoidoscopy within past 5 years, or colonoscopy within past 10 years.

^bFederal poverty level (FPL).