【摘要】 目的　了解海岛居民的碘营养状况 ,评价食盐补碘的利弊。方法　对定海农村 (食用碘盐 )和岱山农村 (不食用碘盐 )随机抽取的 8个乡 2 0岁以上成年人入户调查 ,对饮食碘摄入和尿碘水平进行两样本描述性统计及非参数检验 ,并进行相关分析。结果　食用碘盐组除碘盐外每日碘摄入量中位数为 12 8μg ,而不食用加碘盐的组为 14 7μg ,两组饮食碘摄入差异无显著性 (u =1.84 7,P =0 .0 6 5 ) ,而尿碘水平在食用碘盐组和不食用碘盐组分别为 194 μg/L和 90 μg/L ,两组间差异有显著性(u =14 .6 73,P =0 .0 0 0 )。尿碘水平的高低与饮食碘摄入无关 (rs=0 .0 5 2 ,P =0 .0 95 )。结论　舟山海岛居民日常饮食不能满足机体碘需要 ,应对其补碘 ,但要注意补碘过程中可能出现的碘过量问题。更多还原

【Abstract】 Objective To measure the iodine nutritional status on adult islanders and to evaluate the advantages and disadvantages of iodized salt prophylactic programs. Methods A comparative study was carried out in 8 rural townships selected from Dinghai (iodized salt district) and Daishan (non-iodized salt district) of Zhoushan islands by random sampling method. Mann-Whitney test was used to compare the urinary iodine concentration and dietary iodine intake of the two groups. Spearman correlation test was used to look for the correlation of urinary iodine concentration and dietary iodine intake in the two groups respectively. Results The amounts of daily iodine intake excluding the iodine intake from iodized salt in the two groups were 128 μg and 147 μg respectively but the difference was not statistically significant ( u = 1.847 , P = 0.065 ). The urinary iodine concentration of non-iodized salt group was 90 μg/L, lower than 194 μg/L in iodized salt group ( u = 14.673 , P = 0.000 ). There was no significant correlation between daily iodine intake and urinary iodine concentration ( r s = 0.052 , P = 0.095 ). Conclusions In Zhoushan islands, the daily iodine intake did not meet the daily need (150 μg/day) suggesting that iodized salt supplement was necessary. However, side effect due to overdose should be brought into attention.更多还原