Distribution of respondent characteristics (N=3889)
| Characteristic | <55 n (%) | 55–64 n (%) | 65–74 n (%) | 75+ n (%) |
| Gender | ||||
| Male | 186 (45.4) | 481 (58.4) | 791 (59.8) | 743 (55.7) |
| Female | 224 (54.6) | 342 (41.6) | 531 (40.2) | 591 (44.3) |
| Ethnic group | ||||
| Other ethnicity | 54 (13.2) | 65 (7.9) | 69 (5.2) | 62 (4.6) |
| White British | 356 (86.8) | 758 (92.1) | 1253 (94.8) | 1272 (95.4) |
| Deprivation quintile | ||||
| First: Least deprived | 48 (11.7) | 108 (13.1) | 154 (11.6) | 145 (10.9) |
| Second: Less deprived | 70 (17.1) | 165 (20.0) | 217 (16.4) | 200 (15.0) |
| Third: Average | 82 (20.0) | 180 (21.9) | 319 (24.1) | 281 (21.1) |
| Fourth: More deprived | 98 (23.9) | 187 (22.7) | 318 (24.1) | 352 (26.4) |
| Fifth: Most deprived | 112 (27.3) | 183 (22.2) | 314 (23.8) | 356 (26.7) |
| Cancer site | ||||
| Colon | 223 (54.4) | 442 (53.7) | 789 (59.7) | 873 (65.4) |
| Rectal | 187 (45.6) | 381 (46.3) | 533 (40.3) | 461 (34.6) |