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An exploratory analysis of associations of diet, sun exposure, and body composition with 25OHD at five years of age: Findings from the ROLO Kids Study.
J Steroid Biochem Mol Biol. 2019 04; 188:111-116.JS

Abstract

Serum 25-hydroxyvitamin D (25OHD) is the main circulating form of vitamin D in the blood. Vitamin D status in adults is determined by numerous factors such as oral intake, skin generation, and body composition. However, there is limited understanding regarding determinants of 25OHD in young children. The aim of this study was to identify modifiable factors that may act as determinants of 25OHD at five years of age. Analysis conducted on 79 children from the ROLO Kids study. Dietary intakes and dietary habits were measured using a food frequency questionnaire and levels of sun exposure were assessed using a lifestyle questionnaire, both completed by the mother. Child weight, height, and skinfolds were measured. Vitamin D status was sufficient (25OHD > 50 nmol/L) in 61% of the participants. Neither reported dietary vitamin D nor calcium intake was significantly associated with 25OHD. Intakes of standard milk, eggs, and oily fish were not associated with 25OHD. However, reported consumption of fortified milk, and more than 7 bowls of cereal a week were independently associated with higher 25OHD (p < 0.001 and p = 0.049, respectively). Sun exposure (measured as obtaining at least half an hour of sun per day) was not significantly associated with 25OHD, but reported use of sunscreen was associated with higher 25OHD (p = 0.016). There was no association of body composition with 25OHD. These findings suggest the primacy of dietary and lifestyle habits as indicators of 25OHD in early childhood. This may have utility in identifying at-risk individuals for public health campaigns about education surrounding dietary habits, which may be useful to ensure sufficient vitamin D status within this age group.

Authors+Show Affiliations

UCD Perinatal Research Centre, School of Medicine, National Maternity Hospital, University College Dublin, Dublin, Ireland. Electronic address: Fionnuala.Mcauliffe@ucd.ie.UCD Perinatal Research Centre, School of Medicine, National Maternity Hospital, University College Dublin, Dublin, Ireland.UCD Perinatal Research Centre, School of Medicine, National Maternity Hospital, University College Dublin, Dublin, Ireland.Department of Clinical Chemistry, St. Vincent's University Hospital, Dublin, Ireland.Department of Endocrinology, St. Vincent's University Hospital, Dublin, Ireland; School of Medicine, University College Dublin, Dublin, Ireland.School of Medicine, University College Dublin, Dublin, Ireland; Department of Clinical Chemistry, St. Vincent's University Hospital, Dublin, Ireland.UCD Perinatal Research Centre, School of Medicine, National Maternity Hospital, University College Dublin, Dublin, Ireland; Department of Endocrinology, St. Vincent's University Hospital, Dublin, Ireland; School of Medicine, University College Dublin, Dublin, Ireland.UCD Perinatal Research Centre, School of Medicine, National Maternity Hospital, University College Dublin, Dublin, Ireland.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

30605775

Citation

McVey, Marco K., et al. "An Exploratory Analysis of Associations of Diet, Sun Exposure, and Body Composition With 25OHD at Five Years of Age: Findings From the ROLO Kids Study." The Journal of Steroid Biochemistry and Molecular Biology, vol. 188, 2019, pp. 111-116.
McVey MK, Geraghty AA, O'Brien EC, et al. An exploratory analysis of associations of diet, sun exposure, and body composition with 25OHD at five years of age: Findings from the ROLO Kids Study. J Steroid Biochem Mol Biol. 2019;188:111-116.
McVey, M. K., Geraghty, A. A., O'Brien, E. C., Kilbane, M. T., Crowley, R. K., Twomey, P. J., McKenna, M. J., & McAuliffe, F. M. (2019). An exploratory analysis of associations of diet, sun exposure, and body composition with 25OHD at five years of age: Findings from the ROLO Kids Study. The Journal of Steroid Biochemistry and Molecular Biology, 188, 111-116. https://doi.org/10.1016/j.jsbmb.2018.12.014
McVey MK, et al. An Exploratory Analysis of Associations of Diet, Sun Exposure, and Body Composition With 25OHD at Five Years of Age: Findings From the ROLO Kids Study. J Steroid Biochem Mol Biol. 2019;188:111-116. PubMed PMID: 30605775.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - An exploratory analysis of associations of diet, sun exposure, and body composition with 25OHD at five years of age: Findings from the ROLO Kids Study. AU - McVey,Marco K, AU - Geraghty,Aisling A, AU - O'Brien,Eileen C, AU - Kilbane,Mark T, AU - Crowley,Rachel K, AU - Twomey,Patrick J, AU - McKenna,Malachi J, AU - McAuliffe,Fionnuala M, Y1 - 2018/12/31/ PY - 2018/08/23/received PY - 2018/12/21/revised PY - 2018/12/31/accepted PY - 2019/1/4/pubmed PY - 2019/5/22/medline PY - 2019/1/4/entrez KW - Body composition KW - Children KW - Diet KW - Sun exposure KW - Vitamin D SP - 111 EP - 116 JF - The Journal of steroid biochemistry and molecular biology JO - J Steroid Biochem Mol Biol VL - 188 N2 - Serum 25-hydroxyvitamin D (25OHD) is the main circulating form of vitamin D in the blood. Vitamin D status in adults is determined by numerous factors such as oral intake, skin generation, and body composition. However, there is limited understanding regarding determinants of 25OHD in young children. The aim of this study was to identify modifiable factors that may act as determinants of 25OHD at five years of age. Analysis conducted on 79 children from the ROLO Kids study. Dietary intakes and dietary habits were measured using a food frequency questionnaire and levels of sun exposure were assessed using a lifestyle questionnaire, both completed by the mother. Child weight, height, and skinfolds were measured. Vitamin D status was sufficient (25OHD > 50 nmol/L) in 61% of the participants. Neither reported dietary vitamin D nor calcium intake was significantly associated with 25OHD. Intakes of standard milk, eggs, and oily fish were not associated with 25OHD. However, reported consumption of fortified milk, and more than 7 bowls of cereal a week were independently associated with higher 25OHD (p < 0.001 and p = 0.049, respectively). Sun exposure (measured as obtaining at least half an hour of sun per day) was not significantly associated with 25OHD, but reported use of sunscreen was associated with higher 25OHD (p = 0.016). There was no association of body composition with 25OHD. These findings suggest the primacy of dietary and lifestyle habits as indicators of 25OHD in early childhood. This may have utility in identifying at-risk individuals for public health campaigns about education surrounding dietary habits, which may be useful to ensure sufficient vitamin D status within this age group. SN - 1879-1220 UR - https://www.unboundmedicine.com/medline/citation/30605775/An_exploratory_analysis_of_associations_of_diet_sun_exposure_and_body_composition_with_25OHD_at_five_years_of_age:_Findings_from_the_ROLO_Kids_Study_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-0760(18)30492-8 DB - PRIME DP - Unbound Medicine ER -