Serum triglycerides , very low-density-lipoprotein cholesterol , and apolipoprotein B ( apoB ) decreased significantly in the intervention group at both 3 and 6 months compared with baseline ( serum triglycerides : median change at 3 months -0.5 mmol/L , P < .001 , at 6 months -0.3 mmol/L , P < .001 ; very low-density-lipoprotein cholesterol : -0.3 mg/dL , P < .001 ; -0.3 mg/dL , P < .001 ; and apoB : -8.5 mg/dL , P < .001 ; -3.6 mg/dL , P = .043 , respectively ) and also compared with the control group .