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Author (up) Campos, R. de O.; Reboucas, S.C.L.; Beck, R.; de Jesus, L.R.M.; Ramos, Y.R.; Barreto, I.D.S.; Marques, T.X.; Cerqueira, T.L.O.; Santos, W.A.; Oliveira, C.A.; Teixeira, L.S.G.; Souza, V.C. de O.; Barbosa, F.J.; Ramos, H.E. url  doi
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  Title Iodine Nutritional Status in Schoolchildren from Public Schools in Brazil: A Cross-Sectional Study Exposes Association with Socioeconomic Factors and Food Insecurity Type Journal Article
  Year 2016 Publication Thyroid : Official Journal of the American Thyroid Association Abbreviated Journal Thyroid  
  Volume 26 Issue 7 Pages 972-979  
  Keywords  
  Abstract INTRODUCTION: National programs of salt iodization were implemented in Brazil to combat iodine deficiency (ID) in children of school age. Currently, there are limited data in Brazil on those still vulnerable to this deficiency and the state of nutritional iodine status in the northeast region of Brazil, where children are vulnerable to malnutrition. OBJECTIVE: The aim of this study was to analyze the iodine nutritional status, household food insecurity, socioeconomic and demographic characteristics among schoolchildren from the public school system living in state the state of Bahia, Brazil. METHODS: A cross-sectional study was conducted on 1419 schoolchildren in Bahia between the ages of 6 and 14 years old. Anthropometric parameters, urinary iodine concentrations (UIC), and thyrotropin (TSH) measurements were evaluated from blood spots on filter paper. RESULTS: The mean UIC was 206.4 +/- 80.5 mug/L, with a median of 221.6 mug/L, indicating sufficient iodine intake in the region. Low urinary iodide concentration (<100 mug/L) was detected in 12.3% of the schoolchildren (n = 174), with 6.2% with mild (<100 mug/L), 3.0% with moderate (20-49 mug/L), and 3.1% with severe ID (<20 mug/L). Moreover, 9.4% (n = 134) had a urinary iodide concentration of >300 mug/L, indicating the coexistence of excessive iodine intake (EII). The mean TSH was 1.0 +/- 0.6 mIU/L. The body mass index category “overweight/obesity” was a protective factor against EII (odds ratio [OR] = 0.64 [confidence interval (CI) 0.4-1.0]; p = 0.07). Urban areas (73%) had a mean UIC of 213.1 +/- 80 mug/L compared with 176.8 +/- 76.1 mug/L in rural areas. The risk for EII increased in children living in a house with more than six people (OR = 1.62 [CI 0.9-2.6]; p < 0.05) and water consumption from shallow wells (OR = 1.70 [CI 0.9-3.1]; p = 0.09). The risk of ID was increased by 70% in schoolchildren who had moderate or severe food insecurity (OR = 1.70 [CI 0.9-3.0]; p > 0.05). CONCLUSION: A significant proportion of schoolchildren still have ID or EII in the northeast region of Brazil, emphasizing the importance of committed public policies to address this problem. Socioeconomic factors and the lack of education about nutritional importance of iodine were important influencing factors in the presence of ID in schoolchildren.  
  Address 2 Postgraduate Program in Interactive Processes of Organs and Systems, Health and Science Institute, Federal University of Bahia , Salvador, Brazil  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1050-7256 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:27184190 Approved no  
  Call Number ref @ user @ Serial 98052  
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