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Several questionnaires were administered to participants near the time of enrollment. Basic data were collected on eligibility criteria such as cigarette smoking, age, and several other criteria using the following forms:

After being determined eligible, participants completed more extensive questionnaires about demographics, medical history, and health habits using the following forms:

Data from these questionnaires can be found in the Participant dataset.

Summary Available Data
  • Participant-reported data
  • Covers ~53,000 participants
  • Demographics
  • Smoking History
  • Passive Smoke Exposure
  • Occupational History
  • Family History of Lung Cancer
  • Height and Weight
  • Medical Conditions & History of Disease
  • Personal History of Cancer
  • Alcohol History