[Trends of overweight and obesity in aged 7 to 18 Mongolian ethnic children and adolescents from 1985-2010].

Objective: To study the overweight and obesity situation among Mongolian ethnic children and adolescents in the last 25 years and to provide a basis on related prevention and control measures.

Methods: A cross-sectional study was used, with 18 366 aged 7 to 18 Mongolian ethnic children and adolescents involved. Surveys on their physical health, in 1985, 2000 and 2010 were carried out.