Table 1.
Characteristics
| Average-Risk Screening Colonoscopy | |
|---|---|
| N= 271,181 | |
| Age, years (%) | |
| 40–49 | 2% |
| 50–59 | 49% |
| 60–69 | 32% |
| 70–79 | 14% |
| 80+ | 2% |
| Sex (%) | |
| Women | 46% |
| Men | 54% |
| Race/Ethnicity (%) | |
| Non Hispanic White | 86% |
| Non Hispanic Black | 5% |
| Hispanic | 6% |
| Asian/Pacific Islander | 2% |
| Other/Unknown | 1% |
| Site type (%) | |
| Community | 76% |
| Health Maintenance Organization | 3% |
| Military | 2% |
| University | 9% |
| Veterans Affairs | 11% |
| Region of United States (%) | |
| North Central | 8% |
| North East | 15% |
| North West | 11% |
| South Central | 11% |
| South East | 17% |
| South West | 38% |