Analysis of correlation between prevalence rate of anemia among Chinese children and adolescents and physical factors

Objective To understand the correlation between the detection rate of anemia among Chinese teenagers and the physical factors,and to provide a reference for preventing anemia in the physical perspective.Methods Totally 71 687 students aged 7,9,12,14 year-old from the monitoring sites of schools of Chinese Students Constitution and Health Research were recruited by stratified random sampling method,and their hemoglobin indexes were examined.The correlation between detection rate of anemia and physical factors was analyzed by logistic regression.Results The detection rate of anemia was 13.0% in 2014,which was lower than that of 2010 by 1.2 points.Age,gender,district of living,results of 50 meter race and endurance running were influencing factors of the detection rate of anemia.Furthermore,results of 50 meter race and endurance running were positively correlated with the detectionrate of anemia.Conclusion The girls aged 7 to 14 in rural areas should be taken as focus of the prevention and control of anemia,and more attention should be paid to the the physical exercies to improve the prevalence of anemia among children and adolescents.