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Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia
Recent reports suggest that hypovitaminosis D in athletes is as common as in the general population. This study was devised to examine vitamin D status and determinants of deficiency in athletes living in a sunny country (Tunisia). One hundred and fifty national elite athletes, training outdoors (n...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Institute of Sport in Warsaw
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4672158/ https://www.ncbi.nlm.nih.gov/pubmed/26681829 http://dx.doi.org/10.5604/20831862.1163690 |
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author | Sghaier-Ayadi, A Feki, M Ayed, I Bezrati-Ben Abene, O Fredj, MK Ben Kaabachi, K Chaouachi, A |
author_facet | Sghaier-Ayadi, A Feki, M Ayed, I Bezrati-Ben Abene, O Fredj, MK Ben Kaabachi, K Chaouachi, A |
author_sort | Sghaier-Ayadi, A |
collection | PubMed |
description | Recent reports suggest that hypovitaminosis D in athletes is as common as in the general population. This study was devised to examine vitamin D status and determinants of deficiency in athletes living in a sunny country (Tunisia). One hundred and fifty national elite athletes, training outdoors (n = 83) or indoors (n = 67), were enrolled from January to February 2012. Plasma 25-hydroxyvitamin D was measured by radioimmunoassay. Concentrations were between 50 and 75 nmol · l(-1) in 21.3% of participants, between 25 and 50 nmol · l(-1) in 55.3% of participants and <25 nmol · l(-1) in 14.7% of participants. The concentrations were significantly lower in indoor athletes than outdoor athletes (36.2±19.0 nmol · l(-1) vs. 49.1±19.2 nmol · l(-1); p < 0.001). In multivariate analysis, vitamin D deficiency (25-hydroxyvitamin D <50 nmol · l(-1)) was associated with indoor sports [multi-adjusted odds ratio (95% confidence interval), 5.03 (1.64-15.4); p = 0.005], female gender [3.72 (1.44-9.65); p = 0.007] and age < 18 years [2.40 (1.01-5.85); p = 0.05]. Athletes living in sun-rich environments are exposed to a high risk of vitamin D inadequacy. Given the importance of vitamin D in health and athletic ability, targeting sufficient levels of plasma 25-hydroxyvitamin D in athletes is well justified. |
format | Online Article Text |
id | pubmed-4672158 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2015 |
publisher | Institute of Sport in Warsaw |
record_format | MEDLINE/PubMed |
spelling | pubmed-46721582015-12-17 Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia Sghaier-Ayadi, A Feki, M Ayed, I Bezrati-Ben Abene, O Fredj, MK Ben Kaabachi, K Chaouachi, A Biol Sport Original Article Recent reports suggest that hypovitaminosis D in athletes is as common as in the general population. This study was devised to examine vitamin D status and determinants of deficiency in athletes living in a sunny country (Tunisia). One hundred and fifty national elite athletes, training outdoors (n = 83) or indoors (n = 67), were enrolled from January to February 2012. Plasma 25-hydroxyvitamin D was measured by radioimmunoassay. Concentrations were between 50 and 75 nmol · l(-1) in 21.3% of participants, between 25 and 50 nmol · l(-1) in 55.3% of participants and <25 nmol · l(-1) in 14.7% of participants. The concentrations were significantly lower in indoor athletes than outdoor athletes (36.2±19.0 nmol · l(-1) vs. 49.1±19.2 nmol · l(-1); p < 0.001). In multivariate analysis, vitamin D deficiency (25-hydroxyvitamin D <50 nmol · l(-1)) was associated with indoor sports [multi-adjusted odds ratio (95% confidence interval), 5.03 (1.64-15.4); p = 0.005], female gender [3.72 (1.44-9.65); p = 0.007] and age < 18 years [2.40 (1.01-5.85); p = 0.05]. Athletes living in sun-rich environments are exposed to a high risk of vitamin D inadequacy. Given the importance of vitamin D in health and athletic ability, targeting sufficient levels of plasma 25-hydroxyvitamin D in athletes is well justified. Institute of Sport in Warsaw 2015-08-04 2015-12 /pmc/articles/PMC4672158/ /pubmed/26681829 http://dx.doi.org/10.5604/20831862.1163690 Text en Copyright © Biology of Sport 2015 http://creativecommons.org/licenses/by-nc-nd/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Original Article Sghaier-Ayadi, A Feki, M Ayed, I Bezrati-Ben Abene, O Fredj, MK Ben Kaabachi, K Chaouachi, A Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title | Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title_full | Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title_fullStr | Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title_full_unstemmed | Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title_short | Vitamin D status and determinants of deficiency in non-supplemented athletes during the winter months in Tunisia |
title_sort | vitamin d status and determinants of deficiency in non-supplemented athletes during the winter months in tunisia |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4672158/ https://www.ncbi.nlm.nih.gov/pubmed/26681829 http://dx.doi.org/10.5604/20831862.1163690 |
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