Background: High prevalence of suboptimal vitamin D status has paralleled the obesity epidemic; thus there has been a growing scientific interest in understanding the relationship between serum vitamin D levels and adiposity. Given the 1) high prevalence of vitamin D deficiency in Lebanon 2) lack of evidence on the association between body fat distribution (BFD), particularly direct measures of BFD, and serum vitamin D levels 3) lack of simultaneous control for important confounding variables, including indices of body composition, our study is the first to explore the association between a ...