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Article Publish Status: FREE
Abstract Title:

Does the Access to Sun Exposure Ensure Adequate Levels of 25-Hydroxyvitamin D?

Abstract Source:

Rev Bras Ginecol Obstet. 2017 Mar 15. Epub 2017 Mar 15. PMID: 28297731

Abstract Author(s):

Ênio Luis Damaso, Francisco José Albuquerque de Paula, Silvio Antônio Franceschini, Carolina Sales Vieira, Rui Alberto Ferriani, Marcos Felipe Silva de Sá, Lucia Alves da Silva Lara

Article Affiliation:

Ênio Luis Damaso

Abstract:

Objectives To assess the prevalence of hypovitaminosis D, altered arterial blood pressure, and serum levels of glucose and lipids in community-dwelling women in the city of Ribeirão Preto, in the southeast of Brazil. Methods This was a cross-sectional study of women aged 40-70 years old. Calcium intake and level of sun exposure were assessed by means of a questionnaire. A blood sample was used to determine glucose, lipid profile and 25-hydroxyvitamin D (25[OH]D) concentration. Results Ninety-one women were enrolled (age = 54.2 ± 7.1 years). The mean serum 25(OH)D concentration was 25.7 ± 8.9 ng/mL. A total of 24 (26.4%) women had 25(OH)D levels < 20 ng/mL. Seventy women (76.9%) had 25(OH)D levels < 30 ng/mL. Seventy-five women (90.4%) had inadequate calcium intake, and 61 women (67%) had appropriate sun exposure, 49 of whom (80.3%) had serum 25(OH)D levels < 30 ng/mL. Conclusion This study indicates that even in community-dwelling women, living in a city with high sun exposure, serum levels of 25(OH)D > 30 ng/ml are hardly reached. Thus, it is probable that other intrinsic factors besides sun exposure may regulate the levels of vitamin D.

Study Type : Human Study

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