Table 1.
Prevalence of Endoscopic Testing for Colorectal Cancer Among African American and White Men and Women, Southern Community Cohort Study, 2002—2006
| Test | African American Men (n = 6945)a No. (%) | White Men (n = 1938)a No. (%) | OR, Unadjustedb (95% CI) | OR, Adjustedb,c (95% CI) |
|---|---|---|---|---|
| Sigmoidoscopy | ||||
| Ever had test | 1148 (16.8) | 331 (17.3) | 0.96 (0.79-1.16) | 1.12 (0.95-1.33) |
| Recommended testingd | 970 (14.2) | 237 (12.4) | 1.18 (0.95-1.48) | 1.39 (1.14-1.70) |
| Colonoscopy | ||||
| Ever had test | 1433 (21.0) | 581 (30.4) | 0.77 (0.68-0.86) | 0.89 (0.80-0.98) |
| Recommended testingd | 1352 (19.9) | 536 (28.1) | 0.81 (0.72-0.91) | 0.94 (0.84-1.06) |
| Either test | ||||
| Ever had test(s) | 2092 (30.6) | 742 (38.8) | 0.79 (0.70-0.89) | 0.93 (0.83-1.03) |
| Recommended testingd | 1907 (28.1) | 650 (34.2) | 0.88 (0.77-1.01) | 1.04 (0.91-1.19) |
|
| ||||
| Test | African American Women (n = 11,163)a No. (%) | White Women (n = 4236)a No. (%) | OR, Unadjustedb (95% CI) | OR, Adjustedb,c (95% CI) |
|
| ||||
| Sigmoidoscopy | ||||
| Ever had test | 1979 (18.0) | 790 (18.8) | 0.98 (0.85-1.14) | 1.00 (0.86-1.16) |
| Recommended testingd | 1573 (14.4) | 517 (12.4) | 1.24 (1.07-1.44) | 1.24 (1.07-1.45) |
| Colonoscopy | ||||
| Ever had test | 3106 (28.3) | 1701 (40.5) | 0.68 (0.62-0.75) | 0.70 (0.65-0.76) |
| Recommended testingd | 2943 (26.9) | 1556 (37.2) | 0.73 (0.67-0.80) | 0.75 (0.70-0.81) |
| Either test | ||||
| Ever had test(s) | 4201 (38.2) | 1990 (47.4) | 0.78 (0.71-0.87) | 0.80 (0.72-0.88) |
| Recommended testingd | 3787 (34.8) | 1726 (41.3) | 0.87 (0.79-0.96) | 0.89 (0.82-0.98) |
OR indicates odds ratio; CI, confidence interval.
a
Approximately 2% of outcome data in each test category was missing from analysis.
b
Referent group is white study participants of same sex.
c
Adjusted for age, education, income, and marital and insurance status.
d
Recommended testing refers to having a sigmoidoscopy within the last 5 years or having a colonoscopy within the last 10 years.