Table 1 Characteristics of subjects by quartiles of plasma Homocysteine levels (Association of Plasma Homocysteine with Cardiometabolic Multimorbidity: a cross-sectional study in Northwest China, 2018–2020)
Characteristic | Q1: 0.1–13.0 µmol/L | Q2: 13.1–16.6 µmol/L | Q3: 16.7–22.7 µmol/L | Q4: 22.8–80 µmol/L | P value* |
|---|---|---|---|---|---|
Mean (SD) | Â | Â | Â | Â | Â |
Age (years) | 58.6 (10.4) | 60.3 (10.7) | 61.1 (10.8) | 61.9 (11.1) | < 0.001 |
BMI (kg/m2) | 25.0 (3.9) | 24.9 (3.4) | 25.1 (5.0) | 25.0 (3.4) | 0.132 |
TC (mmol/L) | 4.84 (0.99) | 4.87 (1.04) | 4.85 (1.04) | 4.80 (1.01) | 0.017 |
TG (mmol/L) | 1.66 (0.96) | 1.72 (0.99) | 1.76 (1.05) | 1.77 (1.09) | < 0.001 |
HDL-C (mmol/L) | 1.33 (0.31) | 1.34 (0.31) | 1.33 (0.31) | 1.32 (0.31) | 0.004 |
LDL-C (mmol/L) | 2.84 (0.78) | 2.87 (0.83) | 2.86 (0.86) | 2.79 (0.86) | < 0.001 |
Number (%) | Â | Â | Â | Â | Â |
Smoking | Â | Â | Â | Â | Â |
 Never/seldom | 3807 (85.7) | 3965 (87.1) | 3987 (87.2) | 3900 (85.5) | 0.032 |
 Often | 633 (14.3) | 587 (12.9) | 587 (12.8) | 660 (14.5) |  |
Alcohol drinking | Â | Â | Â | Â | Â |
 Never/seldom | 4215 (94.9) | 4334 (95.2) | 4388 (95.9) | 4353 (95.5) | 0.135 |
 Often | 225 (5.1) | 218 (4.8) | 186 (4.1) | 207 (4.5) |  |
Physical activity | Â | Â | Â | Â | Â |
 Low | 1327 (29.9) | 1234 (27.1) | 1189 (25.9) | 1191 (26.1) | < 0.001 |
 Medium | 2054 (46.3) | 1923 (42.2) | 1795 (39.3) | 1775 (38.9) |  |
 High | 1059 (23.8) | 1395 (30.7) | 1590 (34.8) | 1594 (35.0) |  |
Education level | Â | Â | Â | Â | Â |
 Primary school or below | 3076 (69.3) | 3335 (73.3) | 3424 (74.9) | 3503 (76.8) | < 0.001 |
 Middle school or above | 1364 (30.7) | 1217 (26.7) | 1150 (25.1) | 1057 (23.2) |  |
CMM | Â | Â | Â | Â | Â |
 having at least 2 diseases | 485 (10.9) | 621 (13.6) | 674 (14.7) | 716 (15.7) | < 0.001 |
 having at least 3 diseases | 73 (1.6) | 102 (2.2) | 100 (2.2) | 111 (2.4) | 0.060 |