| Question | Year | Education | Yes | No | χ2(df, n) | p-value |
| Have you ever heard or read about colon cancer? | 2016 | Single | 182 (36.4%) | 318 (63.6%) | χ2(2, 1138) = 8.559 | P = 0.014 |
| Married | 260 (44.5%) | 324 (55.5%) | ||||
| Others | 18 (33.3%) | 36 (66.7%) | ||||
| 2018 | Single | 334 (69.4%) | 147 (30.6%) | χ2(2, 990) = 49.463 | P < 0.001 | |
| Married | 380 (88.6%) | 49 (11.4%) | ||||
| Others | 64 (80.0%) | 16 (20.0%) | ||||
| Have you ever heard or read about colon cancer detection? | 2016 | Single | 108 (59.3%) | 74 (40.7%) | χ2(3, 460) = 0.578 | P = 0.749 |
| Married | 145 (55.8%) | 115 (44.2%) | ||||
| Others | 10 (55.6%) | 8 (44.4%) | ||||
| 2018 | Single | 136 (41.2%) | 194 (58.8%) | χ2(2, 772) = 11.565 | P = 0.003 | |
| Married | 196 (51.9%) | 182 (48.1%) | ||||
| Others | 38 (59.4%) | 26 (40.6%) |