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目的:为进一步巩固消除碘缺乏病成果,继续为碘缺乏病防治提供科学依据。方法:采用GB13025.7-1999直接滴定法,测定食用盐中碘含量。采用全国碘盐监测信息管理系统建立数据库,用SPSS18.0软件进行统计分析。结果:不同年份间合格碘盐食用率差异有统计学意义(x2=71.16,P<0.001),不同年份盐碘均值差异有统计学意义(F=729.10,P<0.001),粗粒盐与精制盐碘盐覆盖率差异无统计学意义(x2=0.164,P>0.05)。结论:2013年居民食盐碘含量已经明显低于其他年份,证明新标准碘盐已经成为市场主要流通碘盐,应加大碘缺乏病监测力度。精制盐合格率明显高于粗盐,粗盐主要来源于从江县,粗粒盐改精制盐健康教育工作有待继续加强。
Objective: To further consolidate the elimination of iodine deficiency disorders, continue to provide a scientific basis for the prevention and treatment of iodine deficiency disorders. Methods: Using GB13025.7-1999 direct titration, determination of iodine content in edible salt. Using the national iodized salt monitoring information management system to establish a database, using SPSS18.0 software for statistical analysis. Results: There was a significant difference in the eating rates of qualified iodized salt between different years (x2 = 71.16, P <0.001), the average salt-iodine difference in different years was statistically significant (F = 729.10, P <0.001) Salt iodized salt coverage difference was not statistically significant (x2 = 0.164, P> 0.05). Conclusion: In 2013, the iodine content of salt has been significantly lower than that of other years. It proves that the new standard iodized salt has become the major circulating iodized salt in the market, and the monitoring of iodine deficiency disorders should be strengthened. Refined salt pass rate was significantly higher than the crude salt, crude salt mainly from the county, coarse salt salt refined salt health education needs to be further strengthened.