Objectives To find out and grasp the situation of iodized salt consumed by rural residents in Dangyang city to provide scientific basis for prevention and control strategy.
Methods Salt samples were collected from rural households in 10 townships and detected by direct titration according to the method in the general test method in salt industry-determination of iodine (GB/T 13025.7 1999).
Results In the 1 516 salt samples collected, 1 406 samples were qualified iodized salt and the other 9 samples were non-iodized salt. Except in 2008, more than 93% of edible salt samples were qualified in iodization.
Conclusions The qualified rate of salt iodization in rural Dangyang was rather high, but a certain number of edible salt samples were non-iodized.Supervision and monitoring the iodization of edible salt is still needed.
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