Table 2

Demographic and clinical characteristics of the study population (n=134 074)

All study population
Age*59.18±15.00
BMI*28.08±6.40
Gender (F)55.8%
Residence (rural)22.7%
Smoking (current)†14.2%
Smoking (previous)†40.7%
Hypertension33.3%
Diabetes mellitus15.1%
History of dyslipidaemia21.7%
Cardiovascular diseases35.4%
Drugs with unintended lipid effects22.3%
Lipid lowering agent use
 Non-medication users86.2%
 Single statin users11.9%
 Combined medication users1.3%
 Single usage of other lipid modifying agents0.6%
Lipid profile
 Total cholesterol*4.94±1.09
 HDL*1.39±0.42
 LDL*2.91±0.93
 Triglyceride*1.42±0.92
 Total cholesterol/HDL ratio*3.79±1.60
  • Figures are a percentage except for:

  • *Mean±SD.

  • †The statistics provided are according to the available information. Besides smoking and BMI which have missing rates close to 70% and 50%, respectively, the missing rates in all other variables are below 5% of the total population (n=134 074).

  • BMI, body mass index; HDL, high-density lipoprotein; TG, triglycerides.