Table 1. Demographic and clinical characteristics of study subjects.

Characteristic	MetS	No MetS	P value
No. of subjects (n)	533	2467
Age (years)	53.3±10.1	48.3±10.9	< 0.0001
Gender (Male %)	48.2%	46.1%	0.371
Waist circumference (cm)	94.0±8.8	82.3±8.8	< 0.0001
Triglyceride (mg/dl)	196.7±142.3	99.6±57.2	< 0.0001
HDL (mg/dl)	43.8±9.2	55.9±12.9	< 0.0001
Systolic blood pressure (mmHg)	126.9±17.8	112.8±15.6	< 0.0001
Diastolic blood pressure (mmHg)	77.3±11.0	70.2±10.3	< 0.0001
Fasting glucose (mg/dl)	114.3±35.4	93.8±15.4	< 0.0001
Physical activity (%)	57.9%	58.8%	0.733
Current smoker (%)	14.6%	9.8%	0.001
Current alcohol drinker (%)	9.8%	7.0%	0.029

HDL = high-density lipoprotein cholesterol, MetS = metabolic syndrome, SD = standard deviation. Data are presented as mean ± standard deviation.