Prevalence of vitamin D deficiency and insufficiency among schoolchildren in Greece: The role of sex, degree of urbanisation and seasonality

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dc.contributor.author Manios, Yannis
dc.contributor.author Moschonis, George
dc.contributor.author Hulshof, Toine
dc.contributor.author Bourhis, Anne-Sophie
dc.contributor.author Hull, George L. J.
dc.contributor.author Dowling, Kirsten G.
dc.contributor.author Kiely, Mairead E.
dc.contributor.author Cashman, Kevin D.
dc.date.accessioned 2017-10-09T13:53:29Z
dc.date.available 2017-10-09T13:53:29Z
dc.date.issued 2017-10-02
dc.identifier.citation Manios, Y., Moschonis, G., Hulshof, T., Bourhis, A.-S., Hull, G. L. J., Dowling, K. G., Kiely, M. E. and Cashman, K. D. (2017) 'Prevalence of vitamin D deficiency and insufficiency among schoolchildren in Greece: the role of sex, degree of urbanisation and seasonality', British Journal of Nutrition, pp. 1-9. doi:10.1017/S0007114517002422 en
dc.identifier.startpage 1 en
dc.identifier.endpage 9 en
dc.identifier.issn 0007-1145
dc.identifier.uri http://hdl.handle.net/10468/4849
dc.identifier.doi 10.1017/S0007114517002422
dc.description.abstract The current study was aiming to report the prevalence of suboptimal vitamin D status among schoolchildren in Greece and investigate the role of sex, urbanisation and seasonality on vitamin D status. A sample of 2386 schoolchildren (9–13 years old) from four distinct prefectures was examined. The prevalence of 25-hydroxyvitamin D (25(OH)D) concentration <30 and <50 nmol/l (vitamin D deficiency and insufficiency respectively) was 5·2 and 52·5 %, respectively. Girls had a higher prevalence of 25(OH)D<30 (7·2 v. 3·2 %) and 50 nmol/l (57·0 v. 48·0 %) than boys (P<0·001). The highest prevalence rates of 25(OH)D<30 and 50 nmol/l (9·1 and 73·1 %, respectively) were observed during spring (April to June), whereas the lowest (1·5 and 31·9 %, respectively) during autumn (October to December). The prevalence of 25(OH)D<50 nmol/l was higher in urban/semi-urban than rural regions, particularly during spring months (74·6 v. 47·2 %; P<0·001). Female sex, urban/semi-urban region of residence and spring months were found to increase the likelihood of vitamin D deficiency and insufficiency, with the highest OR observed for spring months (7·47; 95 % CI 3·23, 17·3 and 5·14; 95 % CI 3·84, 6·89 for 25(OH)D<30 and 50 nmol/l respectively). In conclusion, despite the southerly latitude, the prevalence of low vitamin D status among primary schoolchildren in Greece is comparable to or exceeds the prevalence reported among children and adolescents on a European level. Sub-populations at highest risk are girls in urban/semi-urban areas during spring months, thus indicating the need for effective initiatives to support adequate vitamin D status in these population groups. en
dc.description.sponsorship Kellogg's (Kellogg Company Europe); Roche (Roche Diagnostics South Africa) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Cambridge University Press en
dc.rights © The Authors 2017. Published by Cambridge University Press on behalf of The Nutrition Society. en
dc.subject Vitamin D en
dc.subject 25-Hydroxyvitamin D en
dc.subject Sex en
dc.subject Urbanisation degree en
dc.subject Seasonality en
dc.subject Children en
dc.title Prevalence of vitamin D deficiency and insufficiency among schoolchildren in Greece: The role of sex, degree of urbanisation and seasonality en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Kevin Cashman, Dept Of Food & Nutritional Sciences, University College Cork, Cork, Ireland. +353-21-490-3000 Email: k.cashman@ucc.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2018-10-02
dc.date.updated 2017-10-09T13:31:47Z
dc.description.version Published Version en
dc.internal.rssid 414213984
dc.contributor.funder Kellogg's en
dc.contributor.funder Seventh Framework Programme en
dc.contributor.funder Roche
dc.description.status Peer reviewed en
dc.identifier.journaltitle British Journal of Nutrition en
dc.internal.copyrightchecked No !!CORA!! en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress k.cashman@ucc.ie en
dc.relation.project info:eu-repo/grantAgreement/EC/FP7::SP1::KBBE/613977/EU/Food-based solutions for Optimal vitamin D Nutrition and health through the life cycle/ODIN


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