Trends in adult body-mass index in 200 countries from 1975 to 2014 : A pooled analysis of 1698 population-based measurement studies with 19.2 million participants
Background Underweight and severe and morbid obesity are associated with highly elevated risks of adverse health outcomes. We estimated trends in mean body-mass index (BMI), which characterises its population distribution, and in the prevalences of a complete set of BMI categories for adults in all countries. Methods We analysed, with use of a consistent protocol, population-based studies that ha