Table 1.
Characteristics of participants eligible to undergo GERA risk testing (n = 351)
| GERA risk testing uptake | ||||
|---|---|---|---|---|
| Yes | No | |||
| Subject characteristics | n = 249 (70.9) | n = 102 (29.1) | OR | 95% CI |
| Age: mean (SD) | 59.8 (7.2) | 60.8 (8.1) | 0.98 | 0.95-1.01 |
| Sex: n (%) | ||||
| Female | 148 (71.5) | 59 (28.5) | 1.07 | 0.67-1.70 |
| Male | 101 (70.1) | 43 (29.9) | -- | -- |
| Racea: n (%) | ||||
| African American | 96 (59.6) | 65 (40.4) | 0.36b | 0.22-0.58 |
| White | 153 (80.5) | 37 (19.5) | -- | -- |
| Marital status: n (%) | ||||
| Married | 131 (77.1) | 39 (22.9) | 1.78c | 1.11-2.84 |
| Unmarried/other | 118 (65.2) | 63 (34.8) | -- | -- |
| Education: n (%) | ||||
| High school or less | 69 (61.1) | 44 (38.9) | Referent | Referent |
| Some college | 72 (66.1) | 37 (33.9) | 1.24 | 0.72-2.15 |
| College graduate or more | 108 (83.7) | 21 (16.3) | 3.28b | 1.80-5.98 |
| Perceived riskd: n (%) | ||||
| Agee (perceived average risk) | 76 (75.3) | 25 (24.7) | Referent | Referent |
| Unsure | 71 (71.7) | 28 (28.3) | 0.83 | 0.44-1.56 |
| Disagree (perceived elevated risk) | 102 (67.6) | 49 (32.5) | 0.68 | 0.39-1.21 |
| CRC knowledge mean score: median (SD) | ||||
| All questions (20 items) | 12 (3.53) | 10 (3.73) | 1.14b | 1.07-1.21 |
| Risk factors and screening (10 items) | 7 (1.86) | 6 (2.05) | 1.33b | 1.18-1.50 |
| Diet and genetics (10 items) | 5 (2.16) | 5 (2.11) | 1.14c | 1.02-1.27 |
aIncludes nine individuals of Hispanic ethnicity (eight AA, one White). bP < 0.001. cP = 0.02. d'Compared with other persons my age, I am at lower risk for colon cancer'. CI, confidence interval; CRC, colorectal cancer; GERA, Gene Environment Risk Assessment; OR, odds ratio; SD, standard deviation; SE, standard error.