Inadequate Iodine Intake in Population Groups Defined by Age, Life Stage and Vegetarian Dietary Practice in a Norwegian Convenience Sample

Nutrients
Anne Lise BrantsæterSigrun Henjum

Abstract

Inadequate iodine intake has been identified in populations considered iodine replete for decades. The objective of the current study is to evaluate urinary iodine concentration (UIC) and the probability of adequate iodine intake in subgroups of the Norwegian population defined by age, life stage and vegetarian dietary practice. In a cross-sectional survey, we assessed the probability of adequate iodine intake by two 24-h food diaries and UIC from two fasting morning spot urine samples in 276 participants. The participants included children (n = 47), adolescents (n = 46), adults (n = 71), the elderly (n = 23), pregnant women (n = 45), ovo-lacto vegetarians (n = 25), and vegans (n = 19). In all participants combined, the median (95% CI) UIC was 101 (90, 110) µg/L, median (25th, 75th percentile) calculated iodine intake was 112 (77, 175) µg/day and median (25th, 75th percentile) estimated usual iodine intake was 101 (75, 150) µg/day. According to WHOs criteria for evaluation of median UIC, iodine intake was inadequate in the elderly, pregnant women, vegans and non-pregnant women of childbearing age. Children had the highest (82%) and vegans the lowest (14%) probability of adequate iodine intake according to reported food and supp...Continue Reading

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Citations

Mar 3, 2018·Nutrients·Sigrun HenjumAnne Lise Brantsæter
Jul 1, 2020·Maternal & Child Nutrition·Inger AakreMaria Wik Markhus
Sep 6, 2019·Critical Reviews in Food Science and Nutrition·Frédéric Leroy, Nathan Cofnas
Nov 10, 2020·Deutsches Ärzteblatt International·Cornelia WeikertKlaus Abraham
Nov 26, 2020·Nutrients·Synne Groufh-JacobsenSigrun Henjum
Apr 4, 2021·International Journal of Environmental Research and Public Health·Jane S WhitbreadJennifer B Keogh
Apr 24, 2021·Food & Nutrition Research·Inger AakreMarian Kjellevold
May 15, 2021·The Proceedings of the Nutrition Society·Mairead E KielyÁine Hennessy
Jun 3, 2021·Nutrients·Kjersti Sletten BakkenTor Arne Strand
Jun 5, 2021·The British Journal of Nutrition·Herborg Líggjasardóttir JohannesenAnna Sofía Veyhe

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Software Mentioned

FoodCalc
SPSS
STATA

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