Table 1.
Baseline characteristics of study population.
| Total (n = 3,675) | Male (n = 1,617, 44.0%) | Female (n = 2,058, 56.0%) | P-value | |
|---|---|---|---|---|
| Age, years* | 72.0 (6.6) | 71.8 (6.5) | 72.1 (6.7) | 0.098 |
| BMI, kg/m2* | 24.6 (3.4) | 24.5 (3.1) | 24.7 (3.6) | 0.012 |
| WC, cm* | 86.7 (9.4) | 88.1 (9.4) | 85.6 (9.3) | <0.001 |
| HWC, n (%) | 2,179 (59.3%) | 733(45.3%) | 1,446 (70.3%) | <0.001 |
| Average monthly income, CNY, n (%) | ||||
| ≤ 2,500 | 2,621 (66.3%) | 977 (56.7%) | 1,644 (75.4%) | <0.001 |
| >2,500 | 1,283 (32.5%) | 74643.3% | 537 (24.6%) | <0.001 |
| Education, years, n (%) | ||||
| ≤ 12 | 3,542 (89.6%) | 1443 (82.8%) | 2,099 (95.4%) | <0.001 |
| >12 | 402 (10.2%) | 300 (17.2%) | 102 (4.6%) | <0.001 |
| Lifestyle, n (%) | ||||
| Current smoking | 556 (14.1%) | 534 (40.6%) | 22 (1.0%) | <0.001 |
| Current drinking | 542 (13.7%) | 512 (29.3%) | 30 (1.3%) | <0.001 |
| Physical activity | 3 559 (90.1%) | 1599 (91.2%) | 1960 (89.0%) | 0.012 |
| MetS | 1 522 (41.4%) | 505 (31.2%) | 1017 (49.4%) | <0.001 |
| MetS components* | ||||
| SBP, mmHg | 138.8 (17.3) | 138.5 (17.4) | 139.1 (17.2) | 0.224 |
| DBP, mmHg | 81.9 (8.9) | 82.5 (9.2) | 81.3 (8.6) | <0.001 |
| FG, mmol/L | 5.76 (1.87) | 5.68 (1.85) | 5.82 (1.88) | 0.018 |
| TC, mmol/L | 4.99 (0.97) | 4.72 (0.91) | 5.20 (0.97) | <0.001 |
| TG, mmol/L | 1.63 (1.16) | 1.53 (1.08) | 1.71 (1.22) | <0.001 |
| HDL-C, mmol/L | 1.47 (0.40) | 1.39 (0.39) | 1.53 (0.40) | <0.001 |
| LDL-C, mmol/L | 3.31 (0.88) | 3.12 (0.84) | 3.46 (0.88) | <0.001 |
| Hcy, μmol/L* | 15.9 (9.2) | 17.9 (10.8) | 14.3 (7.2) | <0.001 |
| HHcy, n (%) | 1,473 (40.1%) | 867 (53.6%) | 606 (29.4%) | <0.001 |
Data shown as mean (SD)
*
for continuous variables and n (%) for categorical variables.
P-values comparing men and women.
WC, waist circumference; BMI, body mass index; MetS, metabolic syndrome; SBP, systolic blood pressure; DBP, diastolic blood pressure; FG, fast plasma glucose; TC, total cholesterol; TG, triglycerides; HDL–C, high–density lipoprotein cholesterol; LDL-C, low–density lipoprotein cholesterol; Hcy, serum total homocysteine; HHcy, hyperhomocysteinamia; HWC, higher WC (≥90 cm for men and ≥80 cm for women).