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Table 1 Questionnaire sections included in the SAGE Wave 1 standardized survey instrument [23]

From: Prevalence of arthritis according to age, sex and socioeconomic status in six low and middle income countries: analysis of data from the World Health Organization study on global AGEing and adult health (SAGE) Wave 1

Questionnaire section  
Household roster Questions regarding the dwelling, income, transfers [of family members] in and out of the household, assets and expenditures
Individual questionnaire Questions regarding health and its determinants, disability, work history, risk factors, chronic conditions, caregiving, subjective well-being, health care utilization and health systems responsiveness
Proxy questionnaire Questions regarding health, functioning, chronic conditions, and health care utilization
Verbal autopsy Performed to ascertain the probable cause of death for deaths in the household in the 24 months prior to interview or between interview waves
Appendices Includes show-cards to assist with the interviews