Impact of recruitment method on informed decision-making in lung cancer screening in the 4-IN-THE-LUNG-RUN trial.

Objectives: It is relatively unknown how to inform individuals about lung cancer screening to enable informed decision-making (IDM). This study aims to determine the level of IDM across different recruitment methods among participants invited for the 4-IN-THE-LUNG-RUN trial, the European implementation trial for lung cancer screening.

Methods: A 23-item online questionnaire related to decision-relevant knowledge was sent to 848 Dutch men and women, aged 60-79 years, who were randomised in 4-IN-THE-LUNG-RUN.