Iodine Intake Estimated by 24 H Urine Collection in the Italian Adult Population: 2008-2012 Survey

Overview

Journal Nutrients

Date 2021 Jun 2

PMID 34062834

Citations 3

Authors

Roberto Iacone

Paola Iaccarino Idelson

Pietro Formisano

Ornella Russo

Cinzia Lo Noce

Chiara Donfrancesco

Paolo Emidio Macchia

Luigi Palmieri

Daniela Galeone

Andrea di Lenarda

Simona Giampaoli

Pasquale Strazzullo

Affiliations

Soon will be listed here.

Abstract

Monitoring the population iodine status is essential for iodine deficiency eradication. This study assessed the average dietary iodine intake and the iodine status of a random sample of the Italian general adult population. The study population included 2378 adults aged 35-79 years (1229 men and 1149 women) from all 20 Italian regions, participating in the Osservatorio Epidemiologico Cardiovascolare/Health Examination Survey 2008-2012 (OEC/HES), and were examined for iodine intake in the framework of the MINISAL-GIRCSI Programme. Dietary iodine intake was assessed by the measurement of 24 h urinary iodine excretion. The median daily iodine intake of the whole population was lower (96 µg/d, interquartile range 51-165) than the daily adequate iodine intake according to both EFSA and WHO recommendation (150 µg/d), with a significantly lower value among women (85 µg/d) compared with men (111 µg/d). Iodine intake diminished with age and increased with BMI (body mass index) in male but not in female participants, without achieving the adequate intake in any sex, age, or BMI category. In this random sample of Italian general adult population examined in 2008-2012, iodine intake still remained lower than the recommended values despite the implementation of a strategy of iodoprophylaxis based on salt iodization in 2005. These data represent a valuable reference for future monitoring of iodine status in our country.

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