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目的了解广西沿海农村地区学龄儿童碘缺乏病流行病学特征,为科学防制碘缺乏病提供科学依据。方法采用现况调查水平,以多级抽样的方法从广西全部沿海6县(区)的农村中抽取726名8~10岁学龄儿童。采集每名儿童的尿样测定尿碘水平,同时进行身高和体重、甲状腺容积测量、智商测定和膳食情况调查。结果儿童平均身高、体重和体质量指数分别为(127.38±6.94)cm、(23.87±3.81)kg和(14.63±1.37)kg/m2,尿碘中位数为141.05μg/L,甲状腺肿大率为8.54%,IQ均值为(97.07±18.32)。高碘食物摄入频率与儿童甲状腺肿大率具有相关性(r=0.893,P<0.01)。结论广西沿海农村地区学龄儿童碘营养不足。应采取有效措施提高碘盐覆盖率,降低碘缺乏风险。
Objective To understand the epidemiological characteristics of iodine deficiency disorders among school-age children in coastal areas of Guangxi and provide a scientific basis for scientific prevention of iodine deficiency disorders. Methods Based on the status quo survey, 726 school-age children aged 8 to 10 were selected from all 6 counties (districts) along the coast of Guangxi by multistage sampling. Urine samples were taken for each child to determine urinary iodine levels, while height and weight, thyroid volume measurements, IQ tests, and dietary surveys were performed. Results The average height, weight and body mass index of children were (127.38 ± 6.94) cm, (23.87 ± 3.81) kg and (14.63 ± 1.37) kg / m2, respectively. The median urinary iodine was 141.05 μg / L. Was 8.54%, IQ mean was (97.07 ± 18.32). The frequency of high iodine intake was correlated with the rate of goiter in children (r = 0.893, P <0.01). Conclusion The iodine nutrition of school-age children in coastal areas of Guangxi is not enough. Effective measures should be taken to increase iodized salt coverage and reduce the risk of iodine deficiency.