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Table 1 Field visits and details on questionnaires

From: Multi-center feasibility study evaluating recruitment, variability in risk factors and biomarkers for a diet and cancer cohort in India

Visit Forms Details
Household Form Dwelling type, household members
  Eligibility Screener Date of birth, gender, language, religion, eligibility information (pregnant, heart attack < 12 months, cancer, hemophilia, willingness to provide blood sample), contact information
  Non-response Form Reasons for refusal
Visit 1
Questionnaires after signing consent form
Demographic Education, mother tongue, marital status, cooking fuel, household appliances, income
  Food Preparer Household information on use of 19 spices, chilies (dried and green), coconut, garlic, onions, 13 cooking oils
  Residential History Time at current residence, reason for moving to current residence, contact information in case the participant moves
  Physical Activity Vigorous activity, moderate activity, walking, sitting during the past 7 days
  Tobacco Use Type of tobacco smoked/chewed, length of time using product, quantity used
  Alcohol Use Type of alcohol consumed, the length of time using the product, quantity consumed
  Occupational History Current occupation, five most recent occupations lasting 6 months or longer, time at each job.
Visit 2
Medical history Physical examination
Medical History Information on health care provider, medical conditions, medication, family history
  Reproductive History Female - menses, sexual activity, pregnancies, contraceptives, hormone therapy
Male - sexual activity, contraceptives
  Biospecimen Collection 15 ml fasting blood, first morning urine sample, toe nail clippings
  Anthropometric Measures Standing and sitting height, weight, blood pressure, waist, hip and thigh circumference, triceps and scapula skinfold