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Nutrición Hospitalaria

versión On-line ISSN 1699-5198versión impresa ISSN 0212-1611

Resumen

RAMIREZ-PRADA, D. et al. Evaluation of solar exposure, intake and physical activity in relation with vitamin D serum status in Spanish prepubertal girls. Nutr. Hosp. [online]. 2012, vol.27, n.6, pp.1993-1998. ISSN 1699-5198.  http://dx.doi.org/10.3305/nh.2012.27.6.6065.

Background: Vitamin D and calcium play an important role in peak bone mass acquisition. Recent studies have suggested that vitamin D deficiency in children is widespread, mainly during infancy and adolescent years. However, the vitamin D status at others ages is unsufficiently investigated. Objectives: To determine the vitamin D status in prepubertal, healthy South European girls, and to examine the relationship between serum vitamin D concentrations, sun exposure, physical activity and dietary intake. Methods: A cross-sectional observational study was conducted on 56 Caucasian; healthy and prepubertal girls aged 7-10 years. Dietary information, amount of sunlight exposure and activity were estimated. Blood samples were extracted in the first week of December. Results: Vitamin D intake was below the international recommended references. Mean serum vitamin D was 40.07 ± 10.49 ng/ml. No girl presented a level lower than 20 ng/ml; 25% had levels between 20-30 ng/ml and 75% above 30 ng/ml. We have not found differences in vitamin D levels from the girls who did sport and those who were sedentary. Conclusions: Vitamin D status is suitable for prepubertal girls living in the South of Spain at the beginning of winter. However, it is necessary to follow-up girls and check and adequate vitamin D intake, as well as sufficient sun exposure.

Palabras clave : Vitamin D; Prepubertal; Physical activity; Nutrition.

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