Table 1.
General characteristics of the population at baseline.
| Total (n = 5239) |
|
|---|---|
| Age, years | 50.0 (49.8, 50.3) |
| Male, % (n) | 45.8 (2399) |
| Area, % (n) | |
| Ansung, urban | 41.8 (2192) |
| Ansan, rural | 58.2 (3047) |
| Education level, % (n) | |
| ≤Elementary school | 26.8 (1392) |
| ≤Middle school | 23.8 (1236) |
| ≤High school | 35.1 (1825) |
| ≥University | 14.3 (744) |
| Metabolic equivalents, h/day | 18.5 (18.3, 18.7) |
| Current smoking, % (n) | 26.3 (1357) |
| Current drinking, % (n) | 47.8 (2483) |
| Body mass index, kg/m2 | 24.06 (24.02, 24.10) |
| Systolic BP, mmHg | 112.3 (112.0, 112.6) |
| Diastolic BP, mmHg | 74.8 (74.6, 75.0) |
| Biochemical markers | |
| Triglyceride, mg/dL | 143.0 (141.0, 145.0) |
| Total cholesterol, mg/dL | 187.4 (186.5, 188.3) |
| HDL cholesterol, mg/dL | 45.3 (45.0, 45.6) |
| LDL cholesterol, mg/dL | 114.0 (113.2, 114.8) |
| Fasting glucose, mg/dL | 82.4 (82.2, 82.6) |
| Genotype a | |
| T-455C (TT/TC/CC, %) | 27.6/51.1/21.3 |
| C-482T (CC/CT/TT, %) | 28.1/51.1/20.8 |
| C1100T (TT/TC/CC, %) | 35.0/49.4/15.7 |
| SstI (CC/CG/GG, %) | 45.1/44.9/10.0 |
BP, blood pressure; C, cytosine; G, guanine; HDL cholesterol, high-density-lipoprotein cholesterol; LDL cholesterol, low-density-lipoprotein cholesterol; T, thymine. Data are presented as means with ranges or the percentages for continuous and categorical variables. Some variables included missing values. a The genotype of each SNP was presented as common homozygous, heterozygous, and rare homozygous.