Reasons to decline participation in lung cancer screening in the Dutch–Belgian randomised controlled trial for lung cancer screening in high-risk subjects (NELSON) trial by non-participants (n = 97)
| One of the reasons# | Decisive reason | |
| Subjects n (%) | 93 (95.9) | 83 (89.2) |
| Participation is too much effort | 45.2 | 30.1 |
| I don't have enough insight into the personal consequences of the test | 30.1 | 19.3 |
| I don't have complaints of my respiratory tract | 20.4 | 7.2 |
| I'd rather not undergo a CT scan | 18.3 | 10.8 |
| I have no reason not to undergo screening | 11.8 | 6.0 |
| I think the information in the brochure is frightening | 10.8 | 4.8 |
| Because of reasons “on principle” | 4.3 | 1.2 |
| I'm afraid that I have lung cancer | 3.2 | 2.4 |
| I have complaints of my respiratory tract | 4.3 | 1.2 |
| I think it is not interesting | 2.2 | 2.4 |
| Lung cancer occurs in my family | 2.2 | 0 |
| Information in the brochure is not clear enough | 1.1 | 0 |
| Other reasons | 21.5 | 14.5 |
Data are presented as %, unless otherwise stated. Original wording was in Dutch: the translations are conceptual, not literal. CT: computed tomography. #: more than one item could be ticked; mean±sd number of ticked reasons was 1.8±0.9.