Questionnaire protocols

The questionnaires were in a self-reporting format by default. For the elderly, the questionnaires were completed via interviews by trained surveyors, while those for children and adolescents were completed by their parents or guardians.

Questionnaires

• General information: age, gender, address, job, birth date, education, income, smoke, drink, exercise, etc.
• Dietary information: dietary habits, food frequency question(FFQ), water etc.
• Medical history: cancer, allergy, chronic diseases
• Mental health: PTSD, attention deficit hyperactivity disorder(ADHD ), depression, anxiety etc.
• Exposure history: clean-up work, clean-up duration, wearing protect gear, distance from oil spill area, use of pesticide