Abstract:

Abstract:Objective To investigate and calculate the iodine intake of urban residents in different regions in China and assess the results with the criterion in order to offer advice to reasonable iodine intake for people in daily life. Methods Food frequency questionnaire and the 7th weighing methods were used to collect the data of iodine intake of urban residents of three different regions，which were Longyan city of Fujian province,Zibo city of Shandong province and Wuwei city of Gansu province,in China from April 2009 to April 2010. Results The iodine intakes of the urban residents of Fujian Province,Shandong Province,and Gansu Province were 68.03,74.00,and 98.30 μg?d-1,respectively. The iodine contribution rates of iodized salt among four condiments were 99.48%,99.62%,and 98.46%,respectively. Conclusion The iodine intakes of urban residents in three different regions in China are lower than 150 μg?d-1,so the inhabitants still need iodine supplementation from iodized salt.

Key words: iodine;food frequency questionnaire;the 7th weighing methods;iodine intake