Table 1 Field visits and details on questionnaires
| Visit | Forms | Details |
|---|---|---|
|
Pre-visit
Screening | 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 |