Table 1.
Overview of participation by age, gender and residence.
| Eligible invitees n |
Participant# n (%) |
Positivity (%) | Colonoscopies performed (%) n (%) |
||||
|---|---|---|---|---|---|---|---|
| Total n (%) |
HRFQ n (%) |
FIT n (%) |
Both n (%) |
||||
| Age, years | |||||||
| Total | 2283214 | 350581 (15.4) | 55899 (15.9) | 29798 (8.5) | 21808 (6.2) | 4295 (1.2) | 10600 (18.9) |
| 50–54 | 680321 | 57396 (8.4) | 7817 (13.6) | 4587 (8.0) | 2663 (4.6) | 567 (1.0) | 1835 (23.5) |
| 55–59 | 497790 | 58778 (11.8) | 9299 (15.8) | 5316 (9.0) | 3110 (5.6) | 673 (1.1) | 1980 (21.3) |
| 60–64 | 512085 | 85489 (16.7) | 14025 (16.4) | 7646 (8.9) | 5299 (6.2) | 1081 (1.3) | 2988 (21.3) |
| 65–69 | 361998 | 98832(27.3) | 16262 (16.5) | 8101 (8.2) | 6894 (7.0) | 1268 (1.3) | 2719 (16.7) |
| 70–74 | 231020 | 50086 (21.7) | 8496 (17.0) | 4148 (8.3) | 3642 (7.3) | 706 (1.4) | 1078 (12.7) |
| χ2 | 55097.419 | 303.661 | 609.751 | 457.348 | |||
| P | <0.001 | <0.001 | <0.001 | <0.001 | |||
| Gender | |||||||
| Male | 1132403 | 130361 (11.5) | 22044 (16.9) | 10859 (8.3) | 9329 (7.2) | 1859 (1.4) | 4480 (20.3) |
| Female | 1150811 | 220220 (19.2) | 33855 (15.4) | 18939 (9.7) | 14916(7.4) | 2437 (1.1) | 6120 (18.1) |
| χ2 | 18761.766 | 144.283 | 390.076 | 43.823 | |||
| P | <0.001 | <0.001 | <0.001 | <0.001 | |||
| Residence | |||||||
| Urban | 1500927 | 225967 (15.1) | 42096 (18.6) | 23523 (10.4) | 15161 (6.7) | 3414 (1.5) | 8004 (19.0) |
| Rural | 782287 | 124614 (15.9) | 13803 (11.1) | 6275 (5.0) | 6647 (5.3) | 881 (0.7) | 2596 (18.8) |
| χ2 | 221.411 | 3418.558 | 3942.576 | 0.193 | |||
| P | <0.001 | <0.001 | <0.001 | 0.609 | |||
#All participants finished HRFQ and 319194 invitees took part in FIT at least for one time. HRFQ: high-risk factor questionnaire, FIT: fecal immunochemical test.