Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

Vitamin D status and its determinants during autumn in children at northern latitudes : a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study. / Petersen, Rikke Agnete; Damsgaard, Camilla Trab; Dalskov, Stine-Mathilde; Sørensen, Louise B; Hjorth, Mads Fiil; Ritz, Christian; Kjølbæk, Louise; Andersen, Rikke; Tetens, Inge; Krarup, Henrik; Astrup, Arne; Michaelsen, Kim F.; Mølgaard, Christian.

In: The British Journal of Nutrition, Vol. 115, No. 2, 2016, p. 239-250.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Petersen, RA, Damsgaard, CT, Dalskov, S-M, Sørensen, LB, Hjorth, MF, Ritz, C, Kjølbæk, L, Andersen, R, Tetens, I, Krarup, H, Astrup, A, Michaelsen, KF & Mølgaard, C 2016, 'Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study', The British Journal of Nutrition, vol. 115, no. 2, pp. 239-250. https://doi.org/10.1017/S000711451500433X

APA

Petersen, R. A., Damsgaard, C. T., Dalskov, S-M., Sørensen, L. B., Hjorth, M. F., Ritz, C., ... Mølgaard, C. (2016). Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study. The British Journal of Nutrition, 115(2), 239-250. https://doi.org/10.1017/S000711451500433X

Vancouver

Petersen RA, Damsgaard CT, Dalskov S-M, Sørensen LB, Hjorth MF, Ritz C et al. Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study. The British Journal of Nutrition. 2016;115(2):239-250. https://doi.org/10.1017/S000711451500433X

Author

Petersen, Rikke Agnete ; Damsgaard, Camilla Trab ; Dalskov, Stine-Mathilde ; Sørensen, Louise B ; Hjorth, Mads Fiil ; Ritz, Christian ; Kjølbæk, Louise ; Andersen, Rikke ; Tetens, Inge ; Krarup, Henrik ; Astrup, Arne ; Michaelsen, Kim F. ; Mølgaard, Christian. / Vitamin D status and its determinants during autumn in children at northern latitudes : a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study. In: The British Journal of Nutrition. 2016 ; Vol. 115, No. 2. pp. 239-250.

Bibtex

@article{0d09b975b6b6432ebe128b9e03830ce4,
title = "Vitamin D status and its determinants during autumn in children at northern latitudes: a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study",
abstract = "Sufficient summer/autumn vitamin D status appears important to mitigate winter nadirs at northern latitudes. We conducted a cross-sectional study to evaluate autumn vitamin D status and its determinants in 782 Danish 8-11-year-old children (55°N) using baseline data from the Optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study, a large randomised controlled trial. Blood samples and demographic and behavioural data, including 7-d dietary recordings, objectively measured physical activity, and time spent outdoors during school hours, were collected during September-November. Mean serum 25-hydroxyvitamin D (25(OH)D) was 60·8 (sd 18·7) nmol/l. Serum 25(OH)D levels ≤50 nmol/l were found in 28·4 {\%} of the children and 2·4 {\%} had concentrations <25 nmol/l. Upon multivariate adjustment, increasing age (per year) (β -2·9; 95 {\%} CI -5·1, -0·7 nmol/l), female sex (β -3·3; 95 {\%} CI -5·9, -0·7 nmol/l), sampling in October (β -5·2; 95 {\%} CI -10·1, -0·4 nmol/l) and November (β -13·3; 95 {\%} CI -17·7, -9·1), and non-white ethnicity (β -5·7; 95 {\%} CI -11·1, -0·3 nmol/l) were negatively associated with 25(OH)D (all P<0·05). Likewise, immigrant/descendant background was negatively associated with 25(OH)D, particularly in females (β -16·3; 95 {\%} CI -21·9, -10·7) (P<0·001) (P interaction=0·003). Moderate-to-vigorous physical activity (MVPA) (min/d) (β 0·06; 95 {\%} CI 0·01, 0·12), outdoor walking during school hours (min/week) (β 0·4; 95 {\%} CI 0·1, 0·6) and intake of vitamin D-containing supplements ≥3 d/week (β 8·7; 95 {\%} CI 6·4, 11·0) were positively associated with 25(OH)D (all P<0·05). The high proportion of children with vitamin D status below the recommended sufficiency level of 50 nmol/l raises concern as levels expectedly drop further during winter months. Frequent intake of vitamin D supplements was strongly associated with status. MVPA and outdoor activity during school hours should be investigated further in interventions to improve autumn vitamin D status in children at northern latitudes.",
author = "Petersen, {Rikke Agnete} and Damsgaard, {Camilla Trab} and Stine-Mathilde Dalskov and S{\o}rensen, {Louise B} and Hjorth, {Mads Fiil} and Christian Ritz and Louise Kj{\o}lb{\ae}k and Rikke Andersen and Inge Tetens and Henrik Krarup and Arne Astrup and Michaelsen, {Kim F.} and Christian M{\o}lgaard",
note = "CURIS 2016 NEXS 017",
year = "2016",
doi = "10.1017/S000711451500433X",
language = "English",
volume = "115",
pages = "239--250",
journal = "British Journal of Nutrition",
issn = "0007-1145",
publisher = "Cambridge University Press",
number = "2",

}

RIS

TY - JOUR

T1 - Vitamin D status and its determinants during autumn in children at northern latitudes

T2 - a cross-sectional analysis from the optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study

AU - Petersen, Rikke Agnete

AU - Damsgaard, Camilla Trab

AU - Dalskov, Stine-Mathilde

AU - Sørensen, Louise B

AU - Hjorth, Mads Fiil

AU - Ritz, Christian

AU - Kjølbæk, Louise

AU - Andersen, Rikke

AU - Tetens, Inge

AU - Krarup, Henrik

AU - Astrup, Arne

AU - Michaelsen, Kim F.

AU - Mølgaard, Christian

N1 - CURIS 2016 NEXS 017

PY - 2016

Y1 - 2016

N2 - Sufficient summer/autumn vitamin D status appears important to mitigate winter nadirs at northern latitudes. We conducted a cross-sectional study to evaluate autumn vitamin D status and its determinants in 782 Danish 8-11-year-old children (55°N) using baseline data from the Optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study, a large randomised controlled trial. Blood samples and demographic and behavioural data, including 7-d dietary recordings, objectively measured physical activity, and time spent outdoors during school hours, were collected during September-November. Mean serum 25-hydroxyvitamin D (25(OH)D) was 60·8 (sd 18·7) nmol/l. Serum 25(OH)D levels ≤50 nmol/l were found in 28·4 % of the children and 2·4 % had concentrations <25 nmol/l. Upon multivariate adjustment, increasing age (per year) (β -2·9; 95 % CI -5·1, -0·7 nmol/l), female sex (β -3·3; 95 % CI -5·9, -0·7 nmol/l), sampling in October (β -5·2; 95 % CI -10·1, -0·4 nmol/l) and November (β -13·3; 95 % CI -17·7, -9·1), and non-white ethnicity (β -5·7; 95 % CI -11·1, -0·3 nmol/l) were negatively associated with 25(OH)D (all P<0·05). Likewise, immigrant/descendant background was negatively associated with 25(OH)D, particularly in females (β -16·3; 95 % CI -21·9, -10·7) (P<0·001) (P interaction=0·003). Moderate-to-vigorous physical activity (MVPA) (min/d) (β 0·06; 95 % CI 0·01, 0·12), outdoor walking during school hours (min/week) (β 0·4; 95 % CI 0·1, 0·6) and intake of vitamin D-containing supplements ≥3 d/week (β 8·7; 95 % CI 6·4, 11·0) were positively associated with 25(OH)D (all P<0·05). The high proportion of children with vitamin D status below the recommended sufficiency level of 50 nmol/l raises concern as levels expectedly drop further during winter months. Frequent intake of vitamin D supplements was strongly associated with status. MVPA and outdoor activity during school hours should be investigated further in interventions to improve autumn vitamin D status in children at northern latitudes.

AB - Sufficient summer/autumn vitamin D status appears important to mitigate winter nadirs at northern latitudes. We conducted a cross-sectional study to evaluate autumn vitamin D status and its determinants in 782 Danish 8-11-year-old children (55°N) using baseline data from the Optimal well-being, development and health for Danish children through a healthy New Nordic Diet (OPUS) School Meal Study, a large randomised controlled trial. Blood samples and demographic and behavioural data, including 7-d dietary recordings, objectively measured physical activity, and time spent outdoors during school hours, were collected during September-November. Mean serum 25-hydroxyvitamin D (25(OH)D) was 60·8 (sd 18·7) nmol/l. Serum 25(OH)D levels ≤50 nmol/l were found in 28·4 % of the children and 2·4 % had concentrations <25 nmol/l. Upon multivariate adjustment, increasing age (per year) (β -2·9; 95 % CI -5·1, -0·7 nmol/l), female sex (β -3·3; 95 % CI -5·9, -0·7 nmol/l), sampling in October (β -5·2; 95 % CI -10·1, -0·4 nmol/l) and November (β -13·3; 95 % CI -17·7, -9·1), and non-white ethnicity (β -5·7; 95 % CI -11·1, -0·3 nmol/l) were negatively associated with 25(OH)D (all P<0·05). Likewise, immigrant/descendant background was negatively associated with 25(OH)D, particularly in females (β -16·3; 95 % CI -21·9, -10·7) (P<0·001) (P interaction=0·003). Moderate-to-vigorous physical activity (MVPA) (min/d) (β 0·06; 95 % CI 0·01, 0·12), outdoor walking during school hours (min/week) (β 0·4; 95 % CI 0·1, 0·6) and intake of vitamin D-containing supplements ≥3 d/week (β 8·7; 95 % CI 6·4, 11·0) were positively associated with 25(OH)D (all P<0·05). The high proportion of children with vitamin D status below the recommended sufficiency level of 50 nmol/l raises concern as levels expectedly drop further during winter months. Frequent intake of vitamin D supplements was strongly associated with status. MVPA and outdoor activity during school hours should be investigated further in interventions to improve autumn vitamin D status in children at northern latitudes.

U2 - 10.1017/S000711451500433X

DO - 10.1017/S000711451500433X

M3 - Journal article

C2 - 26563915

VL - 115

SP - 239

EP - 250

JO - British Journal of Nutrition

JF - British Journal of Nutrition

SN - 0007-1145

IS - 2

ER -

ID: 148052183