Table 2

Characteristics of samples according to vitamin D status
Vitamin D status
Sufficiency Insufficiency Deficiency
n 203 226 172
Age (years) 47.98 ± 7.27 50.29 ± 6.40 49.77 ± 7.54
Female (%) 30 23 23
Waist circumference (cm) 80(76–86) 88(81–93)* 92(87.5-99)*#
BMI (kg/m2) 23.72(21.77-25.69) 25.21(23.75-27.12)* 26.63(24.79-29.07)*#
Fasting plasma glucose (mmol/L) 5.3(5.1-5.9) 5.6(5.3-5.9) * 5.9(5.5-6.15) *#
Fasting insulin (μIu/ml) 9.83(6.68-12.96) 13.75(9.68-18.57)* 18.13(11.18-28.63)*#
HOMA-IR 2.28(1.56-3.09) 3.41(2.44-4.73) * 4.77(2.84-7.38) *#
Triglycerides (mmol/L) 1.2(0.95-1.49) 1.71(1.21-2.2) * 2.36(1.61-3.20) *#
HDL cholesterol (mmol/L) 1.31(1.14-1.52) 1.18(1.02-1.37) * 1.10(0.93-1.26) *#
LDL cholesterol (mmol/L) 2.25(2.8-3.69) 3.29(2.86-3.72) * 3.49(2.97-4.20) *
Systolic blood pressure (mmHg) 125(115–137) 135(120–147) * 136.5(126.5-150) *
Diastolic blood pressure (mmHg) 80(71–88) 85(76–94) * 90(80–96) *#
25(OH)D (ng/ml) 38.36(8.09) 25.07(2.63) * 15.81(3.06) *#
Metabolic syndrome(%) 15.27 48.67 72.67

Waist circumference, BMI, Fasting insulin, HOMA-IR, HDL cholesterol, LDL cholesterol were log-transformed before analysis. * P < 0.05 compared to vitamin D sufficiency group; # P < 0.05 compared to vitamin D insufficiency group.

Yin et al.

Yin et al. Nutrition Journal 2012 11:68   doi:10.1186/1475-2891-11-68

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