What information was collected on EAGLE participants?
Participants in the study complete 2 large questionnaires. One is a computer-assisted programmed instrument (CAPI) that includes information on lung cancer risk factors that include questions on demographics, detailed smoking history (quitting history, other tobacco use), family history of lung cancer and other cancers, occupational exposures, environmental tobacco smoke history, medical history, and residential history. The second, SELF-ADMINISTERED questionnaire includes questions on personality, anxiety and depression, attention and ability to focus, diet, meat preparation method and doneness, alcohol consumption, attitudes about smoking, and stages of quitting. Two additional questionnaires including a subgroup of the questions in the CAPI and Self –administered questionnaires were administered to next of kin and siblings of the affected individuals if needed. A variety of other clinical forms and documentation, i.e, detailing staging, imaging, clinical laboratory results, patholog
