Background: Childhood obesity is associated with serious health problems and the risk of
premature illness and death later in life. Monitoring related trends is important. Objective:
The objective was to quantify the worldwide prevalence and trends of overweight and
obesity among preschool children on the basis of the new World Health Organization
standards. Design: A total of 450 nationally representative cross-sectional surveys from 144
countries were analyzed. Overweight and obesity were defined as the proportion of …