Table 3. Knowledge and awareness of CRC risk factors and screening.
| Variables | All, n (%) | Hospital type, n (%) | P | |
|---|---|---|---|---|
| Cancer hospital | General hospital | |||
| Risk factors | ||||
| Aged 50 or above | 800 (17.4) | 340 (16.0) | 460 (18.7) | 0.02 |
| Family history, history of polyps | 615 (13.4) | 191 (9.0) | 424 (17.2) | <0.001 |
| History of bloody stool | 669 (14.6) | 316 (14.9) | 353 (14.3) | 0.577 |
| History of chronic appendicitis | 116 (2.5) | 36 (1.7) | 80 (3.2) | 0.001 |
| History of chronic cholecystitis | 74 (1.6) | 26 (1.2) | 48 (2.0) | 0.053 |
| Physical inactivity | 439 (9.6) | 203 (9.6) | 236 (9.6) | 1 |
| Unhealthy lifestyle | 872 (19.0) | 343 (16.2) | 529 (21.4) | <0.001 |
| Unhealthy diet | 575 (12.5) | 261 (12.3) | 314 (12.7) | 0.662 |
| Didn’t know | 2,985 (65.1) | 1,438 (67.9) | 1,547 (62.7) | <0.001 |
| Screening strategies | ||||
| Risk assessment is necessary before colonoscopy for general population | 253 (5.5) | 102 (4.8) | 151 (6.1) | 0.052 |
| Take fecal occult blood test every year for general population | 280 (6.1) | 113 (5.3) | 167 (6.8) | 0.042 |
| Take colonoscopy every 5 years for general population | 264 (5.8) | 105 (5.0) | 159 (6.5) | 0.03 |
| Take colonoscopy every year for high-risk population | 373 (8.1) | 145 (6.8) | 228 (9.2) | 0.03 |
| Didn’t know | 3,876 (84.9) | 1,832 (87.0) | 2,044 (83.1) | <0.001 |
| Knowledge source | ||||
| Publicity and education | 439 (9.6) | 83 (3.9) | 356 (14.4) | <0.001 |
| Portal website (e.g., Sina) | 310 (6.8) | 141 (6.6) | 169 (6.9) | 0.782 |
| Medical academic website (e.g., DXY) | 197 (4.3) | 65 (3.1) | 132 (5.4) | <0.001 |
| Popular science television/radio show | 594 (12.9) | 166 (7.8) | 428 (17.4) | <0.001 |
| Social media platform (e.g., WeChat) | 334 (7.3) | 117 (5.5) | 217 (8.8) | <0.001 |
| Relatives or friends with CRC | 605 (13.2) | 260 (12.3) | 345 (14.0) | 0.084 |
| Online medical service platform (e.g., good doctor) | 174 (3.8) | 66 (3.1) | 108 (4.4) | 0.025 |
| Other patients | 305 (6.7) | 98 (4.6) | 207 (8.4) | <0.001 |
| Other | 25 (0.5) | 16 (0.8) | 9 (0.4) | 0.074 |
| Never pay attention to above ways | 3,183 (69.6) | 1,573 (74.5) | 1,610 (65.5) | <0.001 |
CRC, colorectal cancer; DXY, Dingxiangyuan.