重庆市主城区儿童血铅水平及相关因素研究

发布时间：2018-11-26 08:51

【摘要】：目的了解重庆市主城区0~6岁儿童血铅水平,分析影响儿童血铅水平的各种因素,为保护儿童健康提供科学依据。方法采取分层随机抽取健康体检的0~3岁儿童1 092例,3个城区的12个幼儿园中体检的3~6岁儿童1 388例,用原子吸收光谱仪测定儿童末梢血铅值,儿童父母填写调查表。结果重庆市主城区儿童血铅均值为(32.64±16.17)μg/L,儿童血铅水平存在性别差异,男童高于女童。不同年龄组儿童的血铅水平存在统计学差异。经多因素回归分析发现,儿童血铅水平与家庭成员吸烟、清洗玩具频次、食用奶及其制品的频次、住所离主干道的距离、家具有无漆皮脱落、服用中药频次、有无啃手指甲和咬文具的习惯等因素有统计学关系。结论主城区儿童血铅水平明显下降,宣传教育是降低儿童血铅的有效方式,为了儿童的健康成长应继续做好这方面的工作。
[Abstract]:Objective to understand the level of blood lead in children aged 6 years old in the main urban area of Chongqing and to analyze the factors affecting the level of blood lead in order to provide scientific basis for the protection of children's health. Methods A total of 1092 healthy children aged 3 years old and 1 388 children aged 6 years old from 12 kindergartens in 3 urban areas were randomly selected by stratified random sampling. Lead levels in peripheral blood of children were measured by atomic absorption spectroscopy (AAS). Parents of children filled out questionnaires. Results the mean value of blood lead in children in Chongqing was (32.64 卤16.17) 渭 g / L, and there was a gender difference in children's blood lead levels, which was higher in boys than in girls. There were statistical differences in blood lead levels among children of different age groups. By multivariate regression analysis, it was found that children's blood lead level was associated with family members' smoking, frequent cleaning of toys, frequency of edible milk and its products, distance from residence to the main road, furniture with or without lacquer leather, and the frequency of taking Chinese medicine. Whether has gnawing fingernail and bite stationery habit and so on the factor has the statistical relation. Conclusion the level of blood lead in children in the main urban area is obviously decreased. Propaganda and education is an effective way to reduce the blood lead of children. In order to keep the healthy growth of children, we should continue to do a good job in this field.
【作者单位】：重庆市妇幼保健院儿童保健科;
【分类号】：R179

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