Reported colonoscopy in the past 10 years, 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 | |
|---|---|---|---|---|---|
| Overall | 19.0 (18.0–20.1) | 29.9 (28.6–31.2) | 39.4 (38.0–40.9) | 47.5 (45.9–49.0) | +28.5 |
| Race/ethnicity | |||||
| NH white | 19.8 (18.6–21.0) | 31.3 (29.9–32.8) | 42.3 (40.7–43.9) | 50.0 (48.2–51.9) | +30.2 |
| NH black | 18.3 (15.3–21.7) | 24.7 (21.7–27.9) | 30.3 (27.2–33.5) | 45.4 (41.0–49.9) | +27.1 |
| Hispanic | 13.9 (11.0–17.5) | 21.3 (17.5–25.7) | 25.3 (20.4–30.8) | 31.7 (27.4–36.3) | +17.8 |
| NH Asian | 12.5 (6.9–21.5) | 23.3 (16.1–32.3) | 25.3 (17.4–35.3) | 41.7 (34.8–48.9) | +29.2 |
| Education | |||||
| >HS | 22.4 (20.7–24.2) | 34.6 (32.7–36.6) | 44.5 (42.7–46.4) | 54.4 (52.1–56.8) | +32.0 |
| HS graduate | 18.7 (16.9–20.6) | 29.5 (27.4–31.7) | 37.7 (35.3–40.2) | 44.1 (41.4–46.8) | +25.4 |
| <HS | 12.9 (11.2–14.7) | 19.6 (17.4–22.1) | 27.7 (25.1–30.6) | 31.3 (28.2–34.6) | +18.4 |
| Time in the United States | |||||
| Born in United States | 19.6 (18.5–20.8) | 30.5 (29.1–31.9) | 40.7 (39.2–42.3) | 49.2 (47.5–50.9) | +29.6 |
| Immigrant, in United States 10+ years | 15.4 (12.8–18.5) | 26.9 (23.2–31.0) | 31.1 (27.1–35.4) | 36.8 (32.6–41.1) | +21.4 |
| Immigrant, in United States <10 years | 8.0 (4.7–13.2) | 9.2 (4.6–17.7) | 12.0 (6.6–20.9) | 19.1 (11.9–29.2) | +11.1 |
| Family income (% FPL) | |||||
| 500%+ | 23.0 (20.4–25.8) | 37.4 (34.4–40.5) | 47.0 (44.1–50.0) | 57.8 (54.2–61.3) | +34.8 |
| 400%–<500% | 20.2 (15.7–25.6) | 31.1 (26.2–36.5) | 45.7 (39.6–51.8) | 52.2 (46.8–57.5) | +32.0 |
| 300%–<400% | 18.1 (15.0–21.6) | 31.7 (28.3–35.3) | 40.0 (36.1–44.1) | 46.0 (42.3–49.9) | +27.9 |
| 200%–<300% | 17.5 (14.8–20.6) | 27.5 (24.6–30.5) | 36.5 (33.2–40.0) | 44.2 (39.3–49.2) | +26.7 |
| <200% | 15.8 (14.0–17.8) | 22.0 (20.0–24.2) | 28.8 (26.6–31.2) | 33.9 (31.1–36.8) | +18.1 |
| Health insurance—ages 50–64 | |||||
| Private non-HMO | 17.4 (16.0–19.0) | 28.2 (26.4–30.3) | 36.7 (34.8–38.5) | 49.2 (46.9–51.5) | +31.8 |
| Private HMO | 16.9 (14.9–19.2) | 29.0 (26.4–31.7) | 36.2 (33.4–39.1) | 47.5 (43.8–51.3) | +30.6 |
| Public | 17.2 (14.2–20.7) | 24.3 (21.1–27.9) | 32.1 (29.0–35.3) | 39.0 (35.4–42.7) | +21.8 |
| Uninsured | 7.2 (5.4–9.5) | 11.2 (8.8–14.1) | 13.2 (10.9–15.9) | 14.9 (11.7–18.9) | +7.7 |
| Health insurance—ages 65–75 | |||||
| Medicare + private | 27.8 (25.0–30.9) | 40.0 (36.6–43.6) | 53.8 (49.9–57.6) | 59.4 (55.0–63.6) | +31.6 |
| Medicare HMO | 23.6 (18.9–29.1) | 35.0 (28.2–42.4) | 43.7 (35.9–51.9) | 50.7 (43.2–57.7) | +27.1 |
| Medicare, no supplemental | 13.8 (10.1–18.4) | 26.8 (21.3–33.1) | 45.0 (39.8–50.3) | 45.8 (39.4–52.4) | +32.0 |
| Medicaid, military, and other government | 13.3 (9.7–18.0) | 34.3 (27.0–42.4) | 45.5 (37.6–53.6) | 49.6 (42.1–57.1) | +36.3 |
| Uninsured or Medicare Part A only | 13.7 (6.5–26.7) | 11.9 (6.4–21.1) | 34.9 (29.9–40.3) | 42.6 (29.7–56.7) | +28.9b |
| Has usual source of care | |||||
| Yes (excluding ER) | 19.9 (18.8–21.0) | 31.2 (29.9–32.5) | 41.1 (39.7–42.6) | 50.0 (48.3–51.6) | +30.1 |
| No | 7.6 (5.4–10.5) | 12.1 (7.7–18.4) | 18.7 (14.4–24.0) | 14.3 (11.4–17.8) | +6.7 |
| # Physician visits in past year | |||||
| 2 or more | 22.3 (21.0–23.6) | 34.3 (32.8–35.9) | 44.4 (42.8–46.0) | 54.2 (52.5–55.9) | +31.9 |
| 1 | 11.6 (9.5–14.1) | 20.6 (17.1–24.5) | 31.9 (27.9–36.1) | 34.7 (31.2–38.3) | +23.1 |
| None | 5.8 (4.4–7.6) | 12.2 (8.5–17.3) | 15.4 (12.3–19.0) | 15.8 (12.3–20.2) | +10.0 |