Table 3. Adjusted Likelihood of Colonoscopy Among US Adults Aged 40 or Older With a Family History of Colorectal Cancer (CRC)a, National Health Interview Survey 2005 and 2010 (n = 26,064)b .
| Category | Colonoscopy (vs No Colonoscopy), Odds Ratio (95% Confidence Interval) |
|---|---|
| Year | |
| 2005 | 1.0 [Reference] |
| 2010 | 5.4 (5.0–5.8) |
| Sex | |
| Male | 1.0 (0.9–1.1) |
| Female | 1.0 [Reference] |
| Age | |
| 40–49b | 1.0 [Reference] |
| 50–64 | 2.6 (2.0–3.3) |
| ≥65 | 3.6 (2.7–4.7) |
| Race/ethnicity | |
| White | 1.0 [Reference] |
| African American | 1.0 (0.9–1.1) |
| Hispanic | 0.8 (0.7–1.0) |
| Other | 0.7 (0.6–0.8) |
| Family history of CRC | |
| Have a family history | 1.7 (1.5–1.9) |
| No family history | 1.0 [Reference] |
| No response | 0.5 (0.5–0.6) |
| Insurance | |
| Private | 3.3 (2.8–3.9) |
| Public | 3.4 (2.8–4.1) |
| Uninsured | 1.0 [Reference] |
a
Family history defined as self-reporting as a first-degree relative (biological parent, sibling, or child) of a CRC patient.
b
Additionally adjusted for marital status and education. Income was not significant and was excluded from the model.