Peer Review
Turnitin_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 had measured height and
weight in adults aged 18 years and older. We applied a Bayesian hierarchical model to these data to estimate trends
from 1975 to 2014 in mean BMI and in the prevalences of BMI categories (
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