Table 1. Characteristics of the study population.

Variable	Subjects (n= 3,281)
Sex
Male [n(%)]	1,234 (37.61)
Female [n(%)]	2,047 (62.39)
Age (years)
Mean±SD	56.58±9.88
Range	19-95
BMI (kg/m2)
Mean±SD	22.12±2.63
Range	14.13-33.73
Systolic blood pressure (mmHg)
Mean±SD	117.68±14.17
Range	78.00-159.33
Diastolic blood pressure (mmHg)
Mean±SD	74.14±9.24
Range	45.50-103.00
Total cholesterol (mmol/L)	0
Mean±SD	4.40±0.80
Range	2.08-6.22
HDL cholesterol (mmol/L)
Mean±SD	01.62±0.38
Range	1.03-3.91
LDL cholesterol (mmol/L)	0
Mean±SD	2.29±0.74
Range	0.14-4.63
Triglycerides (mmol/L)
Mean±SD	01.09±0.45
Range	0.13-2.26
Fasting plasma glucose (mmol/L)
Mean±SD	04.52±0.53
Range	2.80-5.59
Smoking
Non-smoker [n(%)]	2,431 (74.62)
Smoker [n(%)]	0827 (25.38)
Drinking
Non-drinker [n(%)]	2,619 (80.49)
Drinker [n(%)]	0635 (19.51)

BMI: body mass index; HDL: high-density lipoprotein cholesterol; LDL: low density lipoprotein cholesterol.