关键词: 儿童青少年, 超重, 肥胖, 体重指数, 山东省

Abstract: Objective To investigate the prevalence of overweight and obesity among children and adolescents aged 6-18 years in Shandong province, in order to provide basis for the development of strategies and measures for the prevention and control of overweight and obesity in children and adolescents. Methods Data were extracted from physical examinations of primary and secondary school students of Shandong province in 2015.A total of 9 583 576 children aged 6-18 years were included in this study.The prevalence of overweight and obesity among school-age children in Shandong province was examined by age, gender and region, based on four national and international criteria.The agreement between the national criteria and the international one was also analyzed. Results Based on the national, international obesity task force (IOTF), centers for disease control and prevention (CDC) and world health organization (WHO) standard criteria, the prevalence rate of overweight in the above criteria was 17.5%,16.6%,13.9% and 17.6%,respectively; and the prevalence rate of obesity in the above criteria was 13.1%,7.2%,11.4% and 10.8%, respectively.The prevalence rates of overweight and obesity in boys were higher than those in girls, and higher in urban areas than those in rural areas.The prevalence rates of overweight and obesity kept stable rising with age in children aged 6-11 years, but the rates decreased rapidly in adolescents aged 12-18 years.There was high agreement among the national criteria and the three international criterias, with the corresponding weighted kappa values of 0.82 (China vs.CDC), 0.70 (China vs.IOTF) and 0.83 (China vs.WHO), respectively. Conclusion Childhood obesity has become an important public health issue in Shandong Province, more attention should be paid by the whole society.

Key words: children and adolescents, overweight, obesity, body mass index, Shandong province