Basic information of participants in different risk groups studied in 2011.

Smoking information and sex are expressed as n (%) and are tested by the Chi-square method; the other parameters are expressed as χ±s and are tested by ANOVA. a: Compared with low risk group in 2011, P<0.05; b: compared with moderate risk group in 2011, P<0.05.
*Compared with the same population in 2008, P<0.01;
#Compared with the same population in 2008, P<0.05.
BMI: body mass index; BSA: body surface area; WHR: waist-to-hip ratio; SBP: systolic blood pressure; DBP: diastolic blood pressure; TG: triglyceride; TC: total cholesterol; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; BUN: blood urea nitrogen; Scr: serum creatinine; UA: blood uric acid; FBG: fasting blood glucose. FRS: Framingham global CVD risk scores; eGFRCKD-EPI: estimated glomerular filtration rate calculated by Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation; eGFRCKD-EPI-ASIA: estimated glomerular filtration rate calculated by Modified CKD-EPI equation for Asians.