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:: Volume 12, Issue 3 (9-2010) ::
2010, 12(3): 294-299 Back to browse issues page
Evaluation of Urinary Iodine Concentration and Iodine Content of Households Salt in South of Tehran
Pantea Nazeri , Parvin Mirmiran Dr. , Hossein Delshad Dr., Mehdi Hedayati Dr., Fereidoun Azizi Dr.
, mirmiran@endocrine.ac.ir
Abstract:   (36421 Views)

Abstract

Introduction: Iodized salt is the main dietary source of iodine in Iran. Previous studies have shown sustainable elimination of iodine deficiency disorders in Iran. The aim of this study was to evaluate urinary iodine concentration and the iodine content of households salt in the south of Tehran in 2009. Materials and Methods: This cross-sectional study, 91 households were enrolled through randomized cluster sampling. A total of 147 adult subjects (62 males, 85 females), aged 18 and over, were selected from households to provide 24 hr urine samples. Urinary iodine and creatinine concentrations were measured by using the digestion method and autoanalizer assay, respectively. Daily salt consumption was estimated and household salt iodine content was measured by titration. Results: Mean±SD iodine concentration of household salt was12.7±14.7 ppm, and 64.8 % of household salts contained < 10 ppm iodine. The median of Urinary Iodine Concentration (UIC) was 48.0 μg/l. There was no statistically significant difference in UIC, between men and women. The median daily salt consumption was 9.1 g. According to WHO/ICCIDD/UNICEF classification, 17.0, 30.6, 45.6 and 6.8 percent of participants had UICs >100, 50-99, 20-49 and <20 μg/l, respectively. Conclusion: Iodine contents of household salts were not adequate in the south of Tehran, indicating Tehranians in this region, previously iodine sufficient, now suffer from moderate iodine deficiency. These findings show necessity of more detailed surveys for iodine nutrition improvement and emphasize the importance of attention being paid to the risk of iodine deficiency recurrence in Iran.  

Keywords: Urinary Iodine Concentration, Iodized salt, South of Tehran
Full-Text [PDF 278 kb]   (2170 Downloads)    
Type of Study: Original | Subject: Nutrition
Received: 2010/02/6
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Nazeri P, Mirmiran P, Delshad H, Hedayati M, Azizi F. Evaluation of Urinary Iodine Concentration and Iodine Content of Households Salt in South of Tehran. Iranian Journal of Endocrinology and Metabolism. 2010; 12 (3) :294-299
URL: http://ijem.sbmu.ac.ir/article-1-884-en.html


Volume 12, Issue 3 (9-2010) Back to browse issues page
مجله ی غدد درون‌ریز و متابولیسم ایران، دو ماهنامه  پژوهشی مرکز تحقیقات غدد درون‌ریز و متابولیسم، Iranian Journal of Endocrinology and Metabolism
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