Table 1.
Demographic and medical history characteristics of study participants (N=1006)
| Characteristic | Na (%) |
|---|---|
| Gender | |
| Male | 458 (45.5%) |
| Female | 548 (54.5%) |
| Age at enrollment (years) | |
| 50–54 | 160 (15.9%) |
| 55–59 | 227 (22.6%) |
| 60–75 | 619 (61.5%) |
| Race | |
| Black or African American | 106 (10.6%) |
| White | 871 (87.0%) |
| Otherb | 24 (2.4%) |
| Ethnicity | |
| Hispanic or Latino | 25 (2.5%) |
| Not Hispanic or Latino | 974 (97.5%) |
| Clinical site | |
| University of Minnesota | 800 (79.5%) |
| Indiana University | 206 (20.5%) |
| Family history of colorectal cancer reported | |
| Yes | 133 (13.5%) |
| No | 873 (86.8%) |
| Cancer screening history | |
| Any prior colorectal cancer screeningc | |
| Yes | 726 (73.3%) |
| No | 265 (26.7%) |
| Prior FOBT (no positives in the past year) | |
| Yes | 367 (36.8%) |
| No | 629 (63.2%) |
| Prior colonoscopy | |
| Never | 392 (39.6%) |
| >5–<10 years ago | 292 (29.5%) |
| ≥10 years ago | 306 (30.9%) |
| Ever had a flexible sigmoidoscopy | |
| Yes | 266 (26.8%) |
| No | 726 (73.2%) |
| Ever had a CT colonography | |
| Yes | 5 (0.5%) |
| No | 994 (99.5%) |
| Ever had a double-contrast barium enema | |
| Yes | 65 (6.7%) |
| No | 909 (93.3%) |
CT, computed tomography; FOBT, fecal occult blood test.
a
Numbers may not sum to total due to missing data. Percentages were calculated after excluding participants with missing data.
b
“Other” race includes American Indian or Alaska Native, Asian, Native Hawaiian or Other Pacific Islander, and mixed race.
c
Reported prior FOBT, colonoscopy, flexible sigmoidoscopy, CT colonography, or double-contrast barium enema.