监利县部分4～6岁儿童身体发育的调查及微量营养素作用的比较

Investigation on Physical Development of Children Aged 4~6 Years in Jianli County of Hubei Province

目的:调查湖北省监利县部分4~6岁儿童身体发育,及微量营养素作用的比较。方法:选择幼儿园4~6岁的儿童300例,调查儿童行体格、营养状况、微量营养素对儿童生长发育的影响。结果:①受试儿童钙、铁、锌及维生素B_2摄入量未达标,热量、三大营养物质日均摄入量达标。②87例(29.00%)存在体格、营养状况问题。③70例(23.33%)儿童缺乏微量营养素,存在体格、营养状况问题的儿童缺乏微量营养素构成比显著高于体格营养状况良好的儿童(P<0.05)。④受试后研究组智商、认知能力评分升高较对照组明显,受试前后膝高增加值较对照组显著大(P<0.05)。结论:4~6岁儿童体格、营养状况问题及微量营养素缺乏构成比不容忽视,对儿童期合理膳食有指导价值,补充微量营养素可有效促进儿童生长发育。

Objective：To investigate the physical developml ent of children aged 4 -6 years in Jianli,Hubei Province,and to compare the effects of micronutrients.Methods：A total of 300 children aged from 4 -6 years old were selected to investigate the effects of physical and nutritional status of children on the growth and development of children.Results：The intakes of calcium,iron,zinc and vitamin B2 in the children were not up to standard,and the average daily intake of calories and three nutrients were up to standard.There were 87 cases（29%） with physical and nutritional problems.70 children（23.33%） were deficient in micronutrients,and children with physical and nutritional status were significantly less than those with good nutritional status（P〈0.05）.The subjects in study group IQ and cognitive ability were increased significantly compared with the control group,the subjects before and after the knee high added value compared with the control group significantly（P〈0.05）.Conclusion：The physical and nutritional status of children aged 4 - 6 years and the proportion of micronutrient deficiency should not be ignored,which can be used to guide children＇s growth and development.