Trends and determinants of blood pressure in Chinese children and adolescents during the recent obesity epidemic: a repeated cross-sectional study over 25 years

在过去的25年里，中国儿童和青少年中超重和肥胖的患病率增加了9倍多。该项目的目的是评估肥胖流行期间儿童血压水平的趋势，并估计肥胖和其他因素对血压水平趋势的影响。在这项重复的横断面研究中，我们将分析25年来收集的6项调查的数据，涉及140多万参与者。

Over the last 25 years, the prevalence of overweight and obesity increased over 9 times among Chinese children and adolescents. The aims of this project are to assess the trends of blood pressure levels in children during the period of obesity epidemic, and to estimate the effects of obesity and other factors on the trends of blood pressure levels. In this repeated cross-sectional study, we will analyse the data of six surveys collected over a period of 25 years with over 1.4 million participants.