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  • Title: Low levels of urinary iodine excretion in schoolchildren of rural areas in Cuba.
    Author: Rodríguez-Ojea A, Menéndez R, Terry B, Vega L, Abreu Y, Díaz Z.
    Journal: Eur J Clin Nutr; 1998 May; 52(5):372-5. PubMed ID: 9630390.
    Abstract:
    OBJECTIVE: We set up a baseline data on urinary iodine excretion from a nationwide representative sample of rural schoolchildren before instituting iodine supplementation. DESIGN: Stratified multistage cluster sampling in three different strata: lowlands, foothills and mountainous areas. Early morning urine samples were collected for evaluation of iodine status. SETTING: Field study in 25 municipalities in 11 out of 14 provinces. The study was carried out from October to December 1995. SUBJECTS: Three thousand and twenty-seven schoolchildren of either sex, 6 to < 12 y from 87 primary schools. RESULTS: The median urinary iodine excretion was 95 microg/L for the whole sample. The situation in a few foothills and all mountainous areas showed a moderate to severe deficiency. In the mountainous stratum, the median urinary iodine excretion values was less than 20 microg/L. CONCLUSIONS: Cuba has a mild iodine deficiency public health problem with respect to WHO criteria, which in the mountainous areas is severe. The Government of Cuba has started a national Plan of Action and funds are being mobilized to introduce nationwide iodized salt.
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