Change Trends of BMI Distribution Among College Students in Shandong From 1985 to 2005

Objective To analyze distribution status of Shandong college students' BMI in 1985-2005,and to provide basis for control adolescent overweight and obesity.Methods BMI index distribution curve was drew according to physical health research data of Shandong college students in 1985,1995 and 2005.Results In the past 20 years(1985-2005),there was little change in low BMI percentile of Shandong college students,but there was significant uptrend in high BMI percentile,such as P95 of boys and girls changed from 23.12 and 22.78 in 1985 to 26.72 and 24.86 in 2005,which increased by 15.57% and 9.13% respectively.Distribution extent of BMI became more and more wide.The curve shifted to the right which showed there were more students with high BMI.Conclusion BMI index distribution curve of Shandong college students changed significantly follow year,the rate of overweight and obesity rised year by year,and it has become a serious public health problem.