Abstract
Abstract Background and objective Iodine deficiency affecting both pregnant women and schoolchildren has been reported in Jaen. Iodine deficiency is one of the leading causes of thyroid dysfunction and goiter, and adequate iodine prophylaxis with iodized salt, milk, and dairy products, or iodine supplementation have been shown to significantly improve iodine status in pregnancy. The purpose of this study was to assess iodine nutritional status in the general population of a iodine-deficient area with no previous institutional campaigns of iodine prophylaxis. Material and methods A descriptive, cross-sectional study. Urinary iodine levels were measured in subjects from the Jaen healthcare district. The data were stratified by sex and age groups, and a survey was conducted on iodized salt consumption. Results Median and mean urinary iodine levels were 110.59 mcg/L and 130.11 mcg/L respectively. Urinary iodine levels were significantly higher in schoolchildren as compared to other age groups (161.52 μg/L vs 109.33 μg/L in subjects older than 65 years). Forty-three percent of the population had urinary iodine levels less than 100 μg/L, and 68% of women of childbearing age had levels less than 150 μg/L. Conclusions Iodine nutritional status appears to be adequate, but the proportion of the population with urinary iodine levels less than 100 μg/L is still very high, and iodized salt consumption is much less common than recommended by the WHO.
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