Linear regression analyses.

Linear regression analyses between age-, sex- and smoking-adjusted (adj) red blood cells (RBC), hemoglobin (Hb), hematocrit (Ht) and body mass index (BMI), waist circumference (WC), systolic (SBP), diastolic (DBP) and mean (MAP) arterial blood pressure, plasma glucose, insulin, homeostasis model assessment (HOMA), plasma triglycerides (Tg), total (T-Chol) and high-density-lipoprotein (HDL-Chol) cholesterol in the whole study population. *:p