Table 1 Characteristics of participants stratified by sex, mean (SD) or n (%)
| Â | Males (n=2194) | Females (n=2728) | P |
|---|---|---|---|
Characteristics | Â | Â | Â |
 Age (years) | 47.78 (14.77) | 45.65 (13.69) | 0.001 |
 <40 | 671 (30.6) | 931 (34.1) | 0.001 |
 40-59 | 1055 (48.1) | 1368 (50.1) |  |
 ≥60 | 468 (21.3) | 429 (15.7) |  |
 BMI (kg/m2) | 22.62 (3.07) | 22.67 (3.12) |  |
 WC (cm) | 82.15 (9.19) | 78.69 (9.28) | <0.001 |
 UA (mg/dl) | 5.27 (0.98) | 4.04 (0.91) | <0.001 |
 TC (mmol/L) | 4.66 (0.91) | 4.70 (0.96) |  |
 TG (mmol/L) | 1.35 (0.85) | 1.28 (0.85) | 0.003 |
 LDL-C (mmol/L) | 2.89 (0.92) | 2.90 (0.90) |  |
 HDL-C (mmol/L) | 1.43 (0.46) | 1.50 (0.37) | <0.001 |
 Abnormal TC | 552 (25.2) | 761 (27.9) | 0.031 |
 Abnormal TG | 525 (23.9) | 543 (19.9) | <0.001 |
 Abnormal LDL-C | 541 (24.7) | 708 (26.0) |  |
 Abnormal HDL-C | 215 (9.8) | 130 (4.8) | <0.001 |
 Dyslipidemia | 1046 (47.7) | 1197 (43.9) | 0.008 |
 Glucose (mmol/l) | 5.03 (0.63) | 4.99 (0.57) | 0.022 |
 Hs-CRP (mg/L) | 2.36 (6.03) | 1.88 (10.63) | <0.001 |
 Inflammation |  |  |  |
  Yes | 423 (19.3) | 442 (16.2) | <0.001 |
  No | 1771 (80.7) | 2286 (83.8) |  |
 SBP (mmHg) | 119.65 (11.84) | 114.14 (11.59) | <0.001 |
 DBP (mmHg) | 78.07 (7.93) | 74.37 (7.69) | <0.001 |
  Region |  |  |  |
  North | 1191 (54.3) | 1498 (54.9) |  |
  South | 1003 (45.7) | 1230 (45.1) |  |
 Area of city |  |  |  |
  Urban | 650 (29.6) | 860 (31.5) |  |
  Rural | 1544 (70.4) | 1868 (68.5) |  |
 Education |  |  |  |
  Less than primary | 720 (32.8) | 1195 (43.8) | <0.001 |
  Middle-high school | 1184 (54.0) | 1198 (43.9) |  |
  Tech and more | 290 (13.2) | 335 (12.3) |  |
 Income (yuan) |  |  |  |
  Low | 743 (33.9) | 912 (33.4) |  |
  Medium | 728 (33.2) | 850 (31.2) |  |
  High | 723 (33.0) | 966 (35.4) |  |
Life styles | Â | Â | Â |
 Leisure PA/week (MET) | 138.52 (117.53) | 138.23 (103.35) | 0.021 |
 Sedentary time (hours) | 3.03 (2.48) | 2.78 (2.13) | 0.003 |
  Low | 614 (28.0) | 782 (28.7) |  |
  Medium | 874 (39.8) | 901 (33.0) |  |
  High | 706 (32.2) | 1045 (38.3) |  |
 Ever smoked |  |  |  |
  Yes | 1380 (62.9) | 95 (3.5) | <0.001 |
  No | 813 (37.1) | 2632 (96.5) |  |
 Drank alcohol |  |  |  |
  Yes | 1309 (59.7) | 252 (9.2) | <0.001 |
  No | 885 (40.3) | 2475 (90.8) |  |
Sleep and subclinical indicators | Â | Â | Â |
 Sleep duration (hours) | 7.98 (1.14) | 7.98 (1.11) |  |
  <7 | 183 (8.3) | 211 (7.7) |  |
  7-9 | 1517 (69.1) | 1919 (70.3) |  |
  ≥9 | 494 (22.5) | 598 (21.9) |  |
 TG/HDL-C | 2.47 (2.05) | 2.18 (2.01) | <0.001 |
 LAP | 25.13 (25.13) | 28.24 (25.73) | <0.001 |
 TyG | 8.43 (0.58) | 8.37 (0.57) | <0.001 |