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|Título :||Vitamin D status is associated with underweight and stunting in children aged 6–36 months residing in the ecuadorian Andes|
|Autor :||Mokhtar, Rana R.|
Holick, Michael F.
Griffiths, Jeffrey K.
Moore, Lynn L.
|Palabras clave :||VITAMINA D|
|Fecha de publicación :||ago-2017|
|Editorial :||[s.l.]: [s.n.]|
|Citación :||Mokhtar, Rana y otros (Agosto, 2017). Vitamin D status is associated with underweight and stunting in children aged 6–36 months residing in the ecuadorian Andes. Public Health Nutrition, pp. 1-12|
|Resumen :||Objective: There is limited knowledge on vitamin D status of children residing in the Andes and its association with undernutrition. We evaluated the vitamin D status of children residing in a low socio-economic status (SES) setting in the Ecuadorian Andes and assessed the association between vitamin D status, stunting and underweight. We hypothesized that children who were underweight would have lower serum 25-hydroxyvitamin D (25(OH)D) levels and lower 25(OH)D levels would be associated with a higher risk of stunting. Design: We conducted a cross-sectional secondary analysis of a randomized controlled trial, the Vitamin A, Zinc and Pneumonia study. Children had serum 25(OH)D concentrations measured. A sensitivity analysis was undertaken to determine a vitamin D cut-off specific for our endpoints. Associations between serum 25(OH)D and underweight (defined as weight-for-age Z-score ≤−1) and stunting (defined as height-for-age Z-score ≤−2) were assessed using multivariate logistic regression. Setting: Children residing in five low-SES peri-urban neighbourhoods near Quito, Ecuador. Subjects: Children (n 516) aged 6–36 months. Results: Mean serum 25(OH)D concentration was 58·0 (SD 17·7) nmol/l. Sensitivity analysis revealed an undernutrition-specific 25(OH)D cut-off of <42·5 nmol/l; 18·6% of children had serum 25(OH)D<42·5 nmol/l. Children who were underweight were more likely to have serum 25(OH)D <42·5 nmol/l (adjusted OR (aOR)=2·0; 95% CI 1·2, 3·3). Children with low serum 25(OH)D levels were more likely to be stunted (aOR=2·8; 95% CI 1·6, 4·7). Conclusions: Low serum 25(OH)D levels were more common in underweight and stunted Ecuadorian children.|
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