Research Article

Direct Bilirubin Levels and Risk of Metabolic Syndrome in Healthy Chinese Men

Table 2

Associations of serum bilirubin levels and risk of MetS incidence (odds rations and 95% confidence intervals).

Quartiles of serum bilirubin (mmol/L) for trend
Q1Q2Q3Q4

Total bilirubin
 Rang (μmol/L)≤11.7511.76–14.3014.31–18.12>18.12
  MetS cases/total number of each quartile (%)
 ORs for MetS
 No adjusted11.20 (0.73–1.98)0.84 (0.49–1.43)0.60 (0.34–1.08)0.09
 Model 111.19 (0.73–1.97)0.81 (0.47–1.39)0.58 (0.32–1.03)0.064
 Model 211.32 (0.79–2.21)0.87 (0.50–1.52)0.61 (0.34–1.12)0.066
Direct bilirubin
 Range≤2.09>3.22
  MetS cases/total number of each quartile (%)
 ORs for MetS
 No adjusted10.96 (0.60–1.54)0.50 (0.29–0.88)0.46 (0.26–0.81)
 Model 110.95 (0.60–1.53)0.50 (0.29–0.88)0.46 (0.26–0.82)
 Model 211.00 (0.61–1.63)0.57 (0.32–1.02)0.51 (0.28–0.92)
Indirect bilirubin
 Range≤9.589.59–11.7611.77–14.90>14.90
  MetS cases/total number of each quartile (%)
 ORs for MetS
 No adjusted11.15 (0.70–1.90)0.91 (0.54–1.54)0.61 (0.34–1.09)0.145
 Model 111.13 (0.68–1.86)0.88 (0.52–1.49)0.58 (0.32–1.03)0.108
 Model 211.16 (0.69–1.96)0.92 (0.53–1.58)0.58 (0.32–1.06)0.113

Data are expressed as ORs (95% CI). Model 1: adjusted for age; model 2: adjusted further for drinking, smoking, physical activity, CH, and LDL-C. .