Abstract An age-structured model for childhood obesity at population level is fitted to empirical data in order to predict the proportion of overweighted and obese children in the 6–8 and 9–12 year old classes in the region of Valencia, Spain. Keywords: age-structured populationchildhood diseaseobesity epidemic ACKNOWLEDGMENTS The authors are grateful to the anonymous reviewers. We acknowledge the collaboration of the Oficina de Plan de Salud of the Conselleria de Sanitat of the Comunidad Valenciana.
