关键词: 幼儿园, 儿童, 血红蛋白, 贫血

Abstract: Objective To investigate prevalence of anemia among children aged 2~6 years old in Wuhu district and provide scientific basis for prevention. Methods Random cluster sampling was used to select 2~6 years old children from 6~8 kindergartens in urban area in a period from 2006 to 2015 as respondents,and then the contents of height,weight and hemoglobin were measured. Results Totally 6 468 children were included for the current analysis,the prevalence of anemia was 5.9%,and which in boys and girls were 6%,5.9%,respectively.The prevalence of anemia in 2006,2010 and 2015 were 5.5%,7.5% and 4.4% respectively,the differences were statistically significant (P<0.01).The prevalence of anemia in different age groups was 3.7%~29.5%,with the increase of age,there was a decreasing trend (P<0.05).There were statistically significant differences in weight,height,body mass index (BMI),growth retardation and obesity rate among children with anemia and normal children (P<0.05). Conclusions The prevalence of anemia in children has improved in recent years,but is still not optimistic,especially in children aged 2~4 years old.Anemia may affect the growth and development of children,and comprehensive measures should be taken for prevention and treatment of anemia in children.

Key words: kindergarten, children, hemoglobin, anemia