GSTM1 and diabetes mellitus: Hb < 10 g/dL versus Hb 10–12 g/dL, hypertension, MI, CAD, and DM in model 2 and hypertension, DM, albumin < 3.5 mg/dL, albumin > 4.0 mg/dL, and ferritin < 100 mg/dL in model 3 were also significantly different.