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Nutrition. 2017 Apr;36:22-25. doi: 10.1016/j.nut.2016.08.015. Epub 2016 Nov 9.

25-hydroxyvitamin D is differentially associated with calcium intakes of Northern, Central, and Southern European adolescents: Results from the HELENA study.

Author information

1
Growth, Exercise, Nutrition and Development Research Group, Faculty of Health Science, University of Zaragoza, Zaragoza, Spain; Instituto Agroalimentario de Aragón (IA2), Universidad de Zaragoza, Zaragoza, Spain; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Universidad de Zaragoza, Zaragoza, Spain.
2
Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Universidad de Zaragoza, Zaragoza, Spain; ImFine Research Group, Department of Health and Human Performance, Faculty of Physical Activity and Sport Sciences-INEF, Technical University of Madrid, Madrid, Spain.
3
ImFine Research Group, Department of Health and Human Performance, Faculty of Physical Activity and Sport Sciences-INEF, Technical University of Madrid, Madrid, Spain; Department of Nutrition and Food Science, University of Bonn, Germany.
4
Growth, Exercise, Nutrition and Development Research Group, Faculty of Health Science, University of Zaragoza, Zaragoza, Spain.
5
Children's Health and Exercise Research Centre, College of Life and Environmental Sciences, Sport and Health Sciences, University of Exeter, Exeter, United Kingdom.
6
Crea-Council for Agricultural Research and Economics, Rome.
7
Department of Pediatrics, Medical University of Vienna, Vienna, Austria.
8
Department of Paediatrics, Medical Faculty-University of Pécs, Pécs, Hungary.
9
Preventive Medicine & Nutrition Unit, University of Crete School of Medicine, Heraklion, Crete, Greece.
10
CHU Lille, University Lille 2, Lille, France.
11
Department of Nutrition and Dietetics, School of Health Science and Education, Harokopio University, Athens, Greece.
12
Department of Medical Physiology School of Medicine, Granada University, Granada.
13
Research Institute of Child Nutrition, Rheinische Friedrich-Wilhelms-University Bonn, Dortmund, Germany.
14
Faculty of Medicine and Health Sciences, Department of Public Health, Ghent University, Ghent, Belgium.
15
International Agency for Research on Cancer, Lyon, France.
16
Growth, Exercise, Nutrition and Development Research Group, Faculty of Health Science, University of Zaragoza, Zaragoza, Spain; Instituto Agroalimentario de Aragón (IA2), Universidad de Zaragoza, Zaragoza, Spain; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Universidad de Zaragoza, Zaragoza, Spain; Instituto de Investigación Sanitaria Aragón (IIS Aragón), Zaragoza, Spain.
17
International Agency for Research on Cancer, Lyon, France. Electronic address: huybrechtsi@iarc.fr.

Abstract

OBJECTIVES:

Adolescents in the European Union (EU) exhibit a higher prevalence of vitamin D (VitD) deficiency than other age groups. The degree to which sunlight exposure 25-hydroxyvitamin D [25(OH)D] concentrations depends on a variety of factors, including diet. Nevertheless, the relationship between calcium and VitD intake and 25(OH)D concentrations has not been previously studied among adolescents living in different EU countries and consequently in different latitudes. Therefore, the aim of this study was to examine whether calcium and VitD intakes are differentially associated with 25(OH)D in adolescents from northern, central and southern EU countries.

METHODS:

The present analysis included 178 adolescents from northern EU countries, 251 from central EU countries, and 212 from southern EU countries (ages 12.5-17.5 y). Mixed model linear regression analyses stratified by geographic location were used to verify associations between calcium and VitD intake and 25(OH)D concentrations. Age, Tanner stage, seasonality, energy intake, and supplement use were entered as covariates.

RESULTS:

Only the calcium intake of central EU adolescents was positively associated with 25(OH)D (α = 0.005; 95% confidence interval, 0.007-0.028).

CONCLUSIONS:

Further longitudinal studies should confirm these observations, as this could be important for future public health interventions aiming to increase 25(OH)D concentrations in adolescents.

KEYWORDS:

Europe; Latitude; Status; Vitamin D

PMID:
28336103
DOI:
10.1016/j.nut.2016.08.015
[Indexed for MEDLINE]

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