백정기, 원지혜, 신혜린, 김대연, 김규남, 이선영

인제대학교 상계백병원 가정의학과

Background: Studies on the relationship between vitamin D
and visceral fat area (VFA; intra-abdominal fat
area) have been actively conducted. But, there is a few
Korean population-based studies about the association
between serum vitamin D level and VFA. The aim of our
study was to explore the correlation between serum
25-hydroxyvitamin D (25[OH]D) levels and VFA measured
using bioelectrical impedance analysis (BIA; electric
impedance) in healthy Korean adults.
Methods: This cross-sectional study involved 1,945 adults
aged 20-70 years who visited a health promotion
center. All subjects underwent the BIA to estimate the VFA.
Serum 25(OH)D level was measured using chemiluminescent
immunoassay. Multiple regression analysis was performed to
identify independent correlation of
VFA and serum 25(OH)D level.
Results: The prevalence of vitamin D deficiency (25[OH]D:
20-29 ng/mL) and insufficiency (25[OH]D <20
ng/mL) were 54.4% and 38.1%, respectively. After having
adjusted age and season, VFA were negatively associated
with serum 25(OH)D levels in both men (P<0.001) and
women (P<0.001). The obese group with VFA ≥
100 cm2 had significant lower serum 25(OH)D level in men
(P<0.001) and women (P=0.0034).
Conclusions: VFA measured using BIA could be negatively
associated with serum 25(OH)D levels in healthy
Korean adult.
Korean J Health Promot 2017;17(3):129-136
Keywords: Vitamin D, Intra-abdominal fat, Electric
impedance, Obesity