Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016
Ensuring sufficient iodine intake is a public health priority, but we lack knowledge about the status of iodine in a nationally representative population in Norway. We aimed to assess the current iodine status and intake in a Norwegian adult population. In the population-based Tromsø Study 2015–2016...
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ftoslouniv:oai:www.duo.uio.no:10852/81831 2023-05-15T18:34:29+02:00 Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E 2020-11-09T10:12:13Z http://hdl.handle.net/10852/81831 https://doi.org/10.3390/nu12113246 EN eng Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E . Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016. Nutrients. 2020, 12:3246(11), 1-13 http://hdl.handle.net/10852/81831 1846032 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nutrients&rft.volume=12:3246&rft.spage=1&rft.date=2020 Nutrients 12 11 https://doi.org/10.3390/nu12113246 Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ CC-BY 2072-6643 Journal article Tidsskriftartikkel Peer reviewed PublishedVersion 2020 ftoslouniv https://doi.org/10.3390/nu12113246 2020-12-23T23:31:05Z Ensuring sufficient iodine intake is a public health priority, but we lack knowledge about the status of iodine in a nationally representative population in Norway. We aimed to assess the current iodine status and intake in a Norwegian adult population. In the population-based Tromsø Study 2015–2016, 493 women and men aged 40–69 years collected 24-h urine samples and 450 participants also completed a food frequency questionnaire (FFQ). The 24-h urinary iodine concentration (UIC) was analyzed using the Sandell–Kolthoff reaction on microplates followed by colorimetric measurement. Iodine intake was estimated from the FFQ using a food and nutrient calculation system at the University of Oslo. The mean urine volume in 24 h was 1.74 L. The median daily iodine intake estimated (UIE) from 24-h UIC was 159 µg/day (133 and 174 µg/day in women and men). The median daily iodine intake estimated from FFQ was 281 µg/day (263 and 318 µg/day in women and men, respectively). Iodine intake estimated from 24-h UIC and FFQ were moderately correlated (Spearman rank correlation coefficient r = 0.39, p < 0.01). The consumption of milk and milk products, fish and fish products, and eggs were positively associated with estimated iodine intake from FFQ. In conclusion, this shows that iodine intake estimated from 24-h UIC describes a mildly iodine deficient female population, while the male population is iodine sufficient. Concurrent use of an extensive FFQ describes both sexes as iodine sufficient. Further studies, applying a dietary assessment method validated for estimating iodine intake and repeated individual urine collections, are required to determine the habitual iodine intake in this population. Article in Journal/Newspaper Tromsø Universitet i Oslo: Digitale utgivelser ved UiO (DUO) Norway Tromsø Nutrients 12 11 3246 |
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Universitet i Oslo: Digitale utgivelser ved UiO (DUO) |
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ftoslouniv |
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English |
description |
Ensuring sufficient iodine intake is a public health priority, but we lack knowledge about the status of iodine in a nationally representative population in Norway. We aimed to assess the current iodine status and intake in a Norwegian adult population. In the population-based Tromsø Study 2015–2016, 493 women and men aged 40–69 years collected 24-h urine samples and 450 participants also completed a food frequency questionnaire (FFQ). The 24-h urinary iodine concentration (UIC) was analyzed using the Sandell–Kolthoff reaction on microplates followed by colorimetric measurement. Iodine intake was estimated from the FFQ using a food and nutrient calculation system at the University of Oslo. The mean urine volume in 24 h was 1.74 L. The median daily iodine intake estimated (UIE) from 24-h UIC was 159 µg/day (133 and 174 µg/day in women and men). The median daily iodine intake estimated from FFQ was 281 µg/day (263 and 318 µg/day in women and men, respectively). Iodine intake estimated from 24-h UIC and FFQ were moderately correlated (Spearman rank correlation coefficient r = 0.39, p < 0.01). The consumption of milk and milk products, fish and fish products, and eggs were positively associated with estimated iodine intake from FFQ. In conclusion, this shows that iodine intake estimated from 24-h UIC describes a mildly iodine deficient female population, while the male population is iodine sufficient. Concurrent use of an extensive FFQ describes both sexes as iodine sufficient. Further studies, applying a dietary assessment method validated for estimating iodine intake and repeated individual urine collections, are required to determine the habitual iodine intake in this population. |
format |
Article in Journal/Newspaper |
author |
Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E |
spellingShingle |
Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
author_facet |
Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E |
author_sort |
Madar, Ahmed Ali |
title |
Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
title_short |
Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
title_full |
Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
title_fullStr |
Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
title_full_unstemmed |
Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016 |
title_sort |
iodine intake in norwegian women and men: the population-based tromsø study 2015–2016 |
publishDate |
2020 |
url |
http://hdl.handle.net/10852/81831 https://doi.org/10.3390/nu12113246 |
geographic |
Norway Tromsø |
geographic_facet |
Norway Tromsø |
genre |
Tromsø |
genre_facet |
Tromsø |
op_source |
2072-6643 |
op_relation |
Madar, Ahmed Ali Heen, Espen Kolstad Hopstock, Laila Arnesdatter Carlsen, Monica Hauger Meyer, Haakon E . Iodine intake in Norwegian women and men: The population-based Tromsø Study 2015–2016. Nutrients. 2020, 12:3246(11), 1-13 http://hdl.handle.net/10852/81831 1846032 info:ofi/fmt:kev:mtx:ctx&ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Nutrients&rft.volume=12:3246&rft.spage=1&rft.date=2020 Nutrients 12 11 https://doi.org/10.3390/nu12113246 |
op_rights |
Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.3390/nu12113246 |
container_title |
Nutrients |
container_volume |
12 |
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11 |
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3246 |
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