| Question | Year | Yes | No | χ2(df, n) | p-value |
| Do you have relatives with Colorectal Cancer? | 2016 | 105 (22.8%) | 356 (77.2%) | χ2(1, 1221) = 38.040 | P < 0.001 |
| 2018 | 75 (9.9%) | 685 (90.1%) |