Questionnaire-based information, physical measurements and biological samples collected at baseline in the BELIEVE study
| Characteristics | Description |
| House and household | |
| House information | Location, type of accommodation, house construction materials, number of bedrooms, cooking source, sanitation, water source, indoor and outside environment |
| Household information | Number of occupants, contact details, family size |
| Individual | |
| Demographics | Age, sex, ethnicity, religion, marital status, consanguinity |
| Behavioural factors | Tobacco consumption (cigarette and non-cigarette), passive tobacco exposure, cooking habits, food frequency assessment, alcohol consumption, physical activity, sleeping habits, mobile phone usage |
| Socioeconomic factors | Education, occupation, income, remittances, loans, assets owned (including mobile phone, television, refrigerator, digital versatile disc player, air conditioning, bicycle, motorcycle, car, livestock, land, bank account) |
| Psychosocial factors | Stress at work and at home, social support, Centre for Epidemiological Studies Depression symptoms score, Generalised Anxiety Disorder score, sleeping habits, life events |
| Female health | Age at menarche, hormonal contraceptive usage, menstrual and pregnancy history |
| Personal and family medical history | Myocardial infarction, angina, hypertension, other vascular diseases, type 2 diabetes mellitus, atrial fibrillation, cancers, hypercholesterolaemia, chronic liver disease, chronic kidney disease, chronic obstructive respiratory disease, mental disorders, neurological diseases, infectious diseases, childhood disorders, major surgery, chest and limb pain, current medication usage |
| Physical measurements | Blood pressure, heart rate, respiratory rate, height, weight, body composition, upper body strength, waist and hip circumferences. |
| Biological samples | Serum, plasma and whole blood samples, finger and toe-nail clippings |
BELIEVE, BangladEsh Longitudinal Investigation of Emerging Vascular and nonvascular Events.