Psychosocial consequences before and after invitation to screening
| COS-CRC scales (range of values) | Group | Before | After | Before invitation | After invitation |
| N | N | Mean (SD) | Mean (SD) | ||
| Dejection (0–18) | Invitation | 571 | 438 | 1.26 (2.51) | 1.20 (2.49) |
| Control | 604 | 555 | 1.24 (2.34) | 1.16 (2.33) | |
| Anxiety (0–21) | Invitation | 565 | 433 | 1.20 (2.57) | 1.15 (2.45) |
| Control | 598 | 551 | 1.19 (2.19) | 1.17 (2.44) | |
| Behaviour (0–21) | Invitation | 562 | 431 | 1.45 (2.79) | 1.18 (2.51) |
| Control | 597 | 552 | 1.39 (2.52) | 1.29 (2.44) | |
| Sleep (0–12) | Invitation | 569 | 437 | 1.65 (2.64) | 1.25 (2.37) |
| Control | 602 | 557 | 1.71 (2.64) | 1.59 (2.48) | |
| Introvert (0–15) | Invitation | 564 | 437 | 1.20 (2.19) | 1.05 (2.04) |
| Control | 598 | 553 | 1.16 (1.97) | 1.07 (2.00) | |
| Change in body perception (0–9) | Invitation | 571 | 437 | 0.78 (1.53) | 0.55 (1.34) |
| Control | 601 | 557 | 0.73 (1.50) | 0.68 (1.56) | |
| Fear and powerlessness (0–12) | Invitation | 571 | 439 | 0.67 (1.74) | 0.59 (1.62) |
| Control | 604 | 554 | 0.66 (1.55) | 0.64 (1.66) | |
| Change in perception of own age (0–6) | Invitation | 572 | 440 | 0.87 (1.23) | 0.75 (1.10) |
| Control | 606 | 556 | 0.80 (1.11) | 0.75 (1.12) | |
| Emotional reactions (0–6) | Invitation | 572 | 438 | 0.38 (0.91) | 0.28 (0.81) |
| Control | 607 | 559 | 0.36 (0.88) | 0.30 (0.81) | |
| COS-CRC single items (range of values) | |||||
| Negative impact on sex life (0–3) | Invitation | 485 | 380 | 0.27 (0.73) | 0.24 (0.67) |
| Control | 516 | 469 | 0.34 (0.81) | 0.29 (0.73) | |
| Lifestyle changes (0–3) | Invitation | 572 | 440 | 0.23 (0.56) | 0.19 (0.52) |
| Control | 608 | 559 | 0.24 (0.59) | 0.20 (0.54) | |
COS-CRC, consequences of screening in colorectal cancer.