Table 5.

Up-to-date1 with colorectal cancer screening, U.S. adults aged 50 to 75, NHIS 2000–2008a

 2000 % (95% CI)2003 % (95% CI)2005 % (95% CI)2008 % (95% CI)Percentage point change, 2000-2008
Overall38.6 (37.4–39.9)43.3 (41.9–44.7)48.6 (47.2–50.1)54.5 (52.9–56.2)+15.9
Race/ethnicity
NH white40.5 (39.1–41.8)45.3 (43.7–46.8)51.7 (50.0–53.3)57.0 (55.1–58.9)+16.5
NH black33.0 (29.6–36.7)37.7 (34.0–41.6)38.7 (35.3–42.3)51.4 (47.1–55.6)+18.4
Hispanic26.4 (22.4–30.9)30.3 (25.9–35.0)32.4 (27.5–37.9)39.1 (34.8–43.6)+12.7
NH Asian32.2 (25.8–39.3)33.6 (25.6–42.5)40.7 (34.4–47.4)50.8 (43.2–58.4)+18.6
Education
>HS45.3 (43.4–47.3)50.2 (48.3–52.1)55.3 (53.5–57.1)62.0 (60.0–64.0)+16.7
HS graduate37.4 (35.1–39.8)42.2 (39.9–44.4)45.8 (43.4–48.2)50.5 (47.7–53.2)+13.1
<HS26.0 (24.0–28.2)28.4 (25.8–31.2)35.3 (32.3–38.5)37.5 (34.1–41.0)+11.5
Time in the United States
Born in United States39.9 (38.5–41.2)44.5 (43.1–46.0)50.2 (48.6–51.8)56.5 (54.7–58.3)+16.6
Immigrant, in United States 10+ years32.0 (28.2–35.9)35.5 (31.6–39.6)39.2 (35.3–43.3)42.4 (38.5–46.7)+10.4
Immigrant, in United States <10 years10.0 (6.1–15.9)16.0 (10.0–24.7)16.6 (10.2–26.0)25.7 (17.2–36.6)+15.7
Family income (% FPL)
500%+49.1 (45.8–52.4)55.1 (52.5–57.6)58.3 (55.4–61.1)66.0 (63.2–68.8)+16.9
400%–<500%39.8 (34.7–45.2)43.1 (38.4–48.0)53.7 (47.9–59.5)60.3 (55.1–65.3)+20.5
300%–<400%37.5 (33.9–41.3)45.7 (42.1–49.4)48.5 (44.9–52.1)53.0 (49.0–56.8)+15.5
200%–<300%36.2 (32.8–39.8)38.3 (35.3–41.4)45.5 (41.7–49.2)50.9 (47.0–54.9)+14.7
<200%29.8 (27.6–32.1)32.3 (30.0–34.6)37.1 (34.7–39.5)40.1 (37.2–43.1)+10.3
Health insurance—ages 50–64
Private non-HMO36.9 (34.9–38.9)41.8 (39.5–44.0)45.2 (43.3–47.2)55.2 (52.8–57.5)+18.3
Private HMO36.5 (34.1–39.1)43.1 (40.2–46.0)48.5 (45.5–51.5)55.9 (52.1–59.7)+19.4
Public30.7 (26.8–34.8)37.3 (33.5–41.2)42.1 (38.6–45.7)45.3 (41.4–49.2)+14.6
Uninsured14.7 (12.0–17.8)16.2 (13.5–19.3)17.2 (14.6–20.2)19.9 (16.1–24.3)+5.2
Health insurance—ages 65–75
Medicare + private51.4 (48.1–54.7)54.6 (50.9–58.1)64.0 (60.2–67.6)67.5 (63.3–71.4)+16.1
Medicare HMO51.8 (45.6–57.9)57.3 (49.5–64.7)52.6 (44.8–60.4)62.9 (54.8–70.3)+11.1
Medicare, no supplemental31.9 (26.1–38.3)36.9 (30.8–43.4)52.3 (47.0–57.6)52.9 (46.7–59.0)+21.0
Medicaid, military, and other government28.5 (22.2–35.9)49.0 (41.6–56.4)56.8 (48.3–64.9)56.8 (48.9–64.3)+28.3
Uninsured or Medicare Part A only41.3 (27.8–56.2)36.3 (19.6–57.2)39.3 (33.1–45.9)51.3 (36.4–66.0)+10.0b
Has usual source of care
Yes (excluding ER)40.5 (39.2–41.8)45.4 (44.0–46.8)50.8 (49.3–52.3)57.4 (55.7–59.0)+16.9
No14.5 (11.4–18.2)14.9 (10.3–21.2)21.7 (17.2—27.0)16.3 (13.1–20.1)+1.8
# Physician visits in past year
2 or more44.6 (43.1–46.1)49.5 (47.9–51.2)54.8 (53.1–56.4)61.7 (59.9–63.4)+17.1
129.2 (26.2–32.3)31.4 (27.6–35.6)40.1 (36.0–44.4)43.3 (39.4–47.3)+14.1
None10.6 (8.7–12.8)15.9 (11.9–21.0)17.9 (14.7–21.6)18.1 (14.5–22.4)+7.5

bTrend for this subgroup is not statistically significant at α = 0.05.

  • 1Up-to-date is defined as having had a home FOBT in the past year, sigmoidoscopy in the past 5 years, and/or colonoscopy in the past 10 years.

  • aOverall and subgroup trends are statistically significant at α = 0.05, unless otherwise noted.