Table 2 Modules of the baseline survey questionnaire

Module 1. First contact by telephone (or face-to-face)

with a respondent or a proxy informant

Module 2. Information about the interview

Module 3. Socio-demographic characteristics

Module 4. Household composition

Module 5. Childhood and early life conditions

Module 6. Health behaviors

Module 7. Health and quality of life

Module 8. Functional status

Module 9. Major life events

Module 10. Wealth, economic conditions, and income-generating activities

Module 11. Supportive relations and social capital

Module 12. Stress and locus of control

Module 13. Cynical distrust

Module 14. Depression

Module 15. Coping with stress