Table 1.
Baseline demographic and clinical characteristics of the study participants
| Characteristic | Total (n=2615) | Nonhypertension (n=1475) | Hypertension (n=1140) | P Value |
|---|---|---|---|---|
| Age, y | 59.94±10.62 | 57.39±10.82 | 63.24±9.38a | <.001 |
| Men, No. (%) | 888 (33.96) | 456 (30.92) | 432 (37.89)a | <.001 |
| BMI, kg/m2 | 24.54±3.66 | 23.97±3.50 | 25.27±3.74a | <.001 |
| TC, mmol/L | 5.22±1.13 | 5.14±1.14 | 5.32±1.11a | <.001 |
| Triglycerides, mmol/Lb | 1.60 (1.14–2.10) | 1.55 (1.10–2.02) | 1.66 (1.20–2.19)a | <.001 |
| LDL‐C, mmol/L | 2.75±0.87 | 2.67±0.88 | 2.85±0.85a | <.001 |
| HDL‐C, mmol/L | 1.47±0.48 | 1.49±0.51 | 1.44±0.44b | .026 |
| FPG, mmol/L | 5.85±2.76 | 5.70±2.83 | 6.04±2.66b | .002 |
| SBP, mm Hg | 130.05±13.84 | 123.14±9.83 | 139.00±13.14a | <.001 |
| DBP, mm Hg | 79.80±9.10 | 76.38±6.75 | 84.21±1.00a | <.001 |
| Diabetes mellitus, No. (%) | 354 (13.54) | 168 (11.39) | 186 (16.32)a | <.001 |
| Dyslipidemia, No. (%) | 1847 (70.63) | 1000 (67.80) | 847 (74.30)a | <.001 |
| Family history of hypertension, No. (%) | 827 (31.63) | 361 (24.47) | 466 (40.88)a | <.001 |
| Salt, No. (%) | ||||
| ≤6 g/d | 1012 (38.73) | 599 (40.61) | 413 (36.23) | .023 |
| >6 g/d | 1601 (61.27) | 875 (59.32) | 726 (63.68)b | |
| Smoking status, No. (%) | ||||
| Nonsmoker | 2160 (82.60) | 1229 (83.32) | 931 (81.67) | .268 |
| Ever‐smoker | 455 (17.40) | 246 (16.68) | 209 (18.33) | |
| Drinking status, No. (%) | ||||
| Nondrinker | 1888 (72.20) | 1071 (72.61) | 817 (71.67) | .593 |
| Ever‐drinker | 727 (27.80) | 404 (27.39) | 323 (28.33) | |
| Homocysteine, μmol/Lb | 11.70 (9.50–15.10) | 11.00 (9.10–14.00) | 12.70 (10.30–16.20)a | <.001 |
| Hyperhomocysteinemia, % | 1838 (70.29) | 942 (63.86) | 896 (78.60)a | <.001 |
Abbreviations: BMI, body mass index; DBP, diastolic blood pressure; FPG, fasting plasma glucose; HDL‐C, high‐density lipoprotein cholesterol; IQR, interquartile range; LDL‐C, low‐density lipoprotein cholesterol; SBP, systolic blood pressure; TC, total cholesterol.
a
Differed significantly from nonhypertension group.
b
Described by the median and interquartile range.