Document Detail

Iodine nutrition in elementary state schools of Queretaro, Mexico: correlations between urinary iodine concentration with global nutrition status and social gap index.
MedLine Citation:
PMID:  24030188     Owner:  NLM     Status:  In-Data-Review    
OBJECTIVE AND METHODS: To estimate median urinary iodine concentration (UIC), and to correlate it with global nutrition indicators and social gap index (SGI) in 50 elementary state schools from 10 municipalities in the State of Queretaro, Mexico.
RESULTS: 1,544 students were enrolled and an above of requirements of iodine intake was found (median UIC of 297 µg/L). Iodine status was found as deficient, adequate, more than adequate and excessive in 2, 4, 19 and 25 schools, respectively. Seventy seven percent of table salt samples showed adequate iodine content (20-40 ppm), while 9.6% of the samples had low iodine content (< 15 ppm). Medians of UIC per school were positively correlated with medians of body mass index (BMI) by using the standard deviation score (SDS) (r = 0.47; p < 0.005), height SDS (r = 0.41; p < 0.05), and overweight and obesity prevalence (r = 0.41; p < 0.05). Medians of UIC per school were negatively correlated with stunting prevalence (r = -0.39; p = 005) and social gap index (r = -0.36; p < 0.05). Best multiple regression models showed that BMI SDS and height were significantly related with UIC (p < 0.05).
CONCLUSIONS: There is coexistence between the two extremes of iodine intake (insufficient and excessive). To our knowledge, the observed positive correlation between UIC and overweight and obesity has not been described before, and could be explained by the availability and consumption of snack food rich in energy and iodized salt.
Pablo García-Solís; Juan Carlos Solís-S; Ana Cristina García-Gaytán; Vanessa A Reyes-Mendoza; Ludivina Robles-Osorio; Enrique Villarreal-Ríos; Luisa Leal-García; Hebert Luis Hernández-Montiel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Arquivos brasileiros de endocrinologia e metabologia     Volume:  57     ISSN:  1677-9487     ISO Abbreviation:  Arq Bras Endocrinol Metabol     Publication Date:  2013 Aug 
Date Detail:
Created Date:  2013-09-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0403437     Medline TA:  Arq Bras Endocrinol Metabol     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  473-82     Citation Subset:  IM    
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