Table 3.
Factors associated with Ever Being Screened for CRC, NHIS.
| Individual Characteristics1 |
Individual and Area Characteristics |
|
|---|---|---|
| Odds Ratio (95% Confidence Interval) | ||
| Individual characteristics | ||
| Race/ethnicity | ||
| White | Reference | Reference |
| African-American | 0.87 (0.78–0.96) | 0.93 (0.83–1.04) |
| Hispanic | 0.68 (0.60–0.77) | 0.73 (0.63–0.84) |
| Education | ||
| Some high school | 0.49 (0.43–0.55) | 0.51 (0.45–0.57) |
| High school graduate | 0.68 (0.62–0.75) | 0.70 (0.63–0.77) |
| Some college | 0.84 (0.76–0.92) | 0.85 (0.77–0.94) |
| College graduate | Reference | Reference |
| Chronic conditions | ||
| None | Reference | Reference |
| One | 1.53 (1.41–1.65) | 1.54 (1.42–1.66) |
| Two | 1.97 (1.80–2.16) | 2.0 (1.82–2.17) |
| Three or more | 2.81 (2.55–3.11) | 2.85 (2.58–3.15) |
| Health Insurance | ||
| None | 0.55 (0.48–0.63) | 0.55 (0.48–0.64) |
| Medicaid alone or Medicare with public insurance | 0.71 (0.62–0.80) | 0.72 (0.63–0.81) |
| Medicare only | 0.81 (0.73–0.91) | 0.83 (0.74–0.93) |
| Medicare and private insurance | Reference | Reference |
| Usual source of medical care | ||
| Yes | Reference | Reference |
| No | 0.32 (0.26–0.38) | 0.32 (0.26–0.38) |
| County-level Capacity Measures | ||
| Number of primary care physicians per 100k population 50 and older (increments of 100) | 1.02 (0.97–1.08) | |
| Number of sigmoidoscopies or colonoscopies per 100k population 50 and older (increments of 750) | 1.04 (1.01–1.06) | |
| County level racial composition/ SES | ||
| Percentage African-American (increments of 5%) | 0.98 (0.97–1.00) | |
| Percentage Hispanic (increments of 5%) | 0.98 (0.96–1.00) | |
| Median household income (increments of $20,000) | 1.14 (1.05–1.23) | |
All models also adjusted for age, sex, marital status, previous history of cancer, year of survey (2000 or 2003), risk factors for CRC (current cigarette use, heavy drinking, and lack of regular exercise), and having a dental visit in past year.