Variable | Subgroup | No interval CRC (%), n=1160 073 | Interval CRC (%), n=829 | Total, n=1 160 902 | P value |
Educational | Elementary school | 273 585 (99.9) | 262 (1.0) | 273 847 | |
level | High school/vocational | 526 835 (99.9) | 357 (0.7) | 527 192 | |
Short higher | 272 977 (99.9) | 152 (0.6) | 273 129 | ||
Medium-long higher | 86 676 (99.9) | 58 (0.7) | 86 734 | <0.001 | |
Income | 1st quartile | 286 274 (99.9) | 350 (1.2) | 286 624 | |
2nd quartile | 289 176 (99.9) | 207 (0.7) | 289 383 | ||
3rd quartile | 291 675 (99.9) | 148 (0.5) | 291 823 | ||
4th quartile | 292 948 (100.0) | 124 (0.4) | 293 072 | <0.001 | |
FIT | <7.2 µg hb/g faeces | 1 061 440 (99.9) | 551 (0.5) | 1 061 991 | |
concentration | 7.2–11.8 µg hb/g faeces | 70 227 (99.8) | 148 (2.1) | 70 375 | |
11.9–19.8 µg hb/g faeces | 28 406 (99.5) | 130 (4.6) | 28 536 | <0.001 | |
Sex | Female | 633 880 (99.9) | 413 (0.7) | 634 293 | |
Male | 526 193 (99.9) | 416 (0.8) | 526 609 | 0.006 | |
Age | ≤55 years | 315 678 (100.0) | 55 (0.2) | 315 733 | |
55–59 years | 206 014 (100.0) | 71 (0.3) | 206 085 | ||
60–64 years | 202 699 (99.9) | 115 (0.6) | 202 814 | ||
65–69 years | 208 501 (99.9) | 226 (1.1) | 208 727 | ||
≥69 years | 227 181 (99.8) | 362 (1.6) | 227 543 | <0.001 |
CRC, colorectal cancer; FIT, faecal immunochemical test; hb, haemoglobin.