Widespread vitamin D deficiency and its sex-specific association with adiposity in Chinese children and adolescents

Vitamin D is involved in various physiologic and pathologic processes in the human body. The aim of this study was to determine the prevalence of vitamin D deficiency and the association of adiposity indicators with 25-hydroxyvitamin D (25[OH]D) in Chinese children and adolescents. This was a population-based, nationwide, multicenter cross-sectional study involving 10 696 participants (51.2% boys) 6 to 18 y of age. Total body fat mass was...