Worldwide cohort studies to support healthy ageing research: data availabilities and gaps

Abstract

Background: Population ageing is a transforming demographic force. To support evidence-based efforts for promoting healthy ageing, a summary of data availabilities and gaps to study ageing is needed. Method: Through a multifaceted search strategy, we identified relevant cohort studies worldwide to studying ageing and provided a summary of available pertinent measurements. Following the World Health Organization's definition of healthy ageing, we extracted information on intrinsic capacity domains and sociodemographic, social, and environmental factors. Results: We identified 287 cohort studies. South America, the Middle East, and Africa had a limited number of cohort studies to study ageing ..