General characteristics of subjects according by hs-CRP
| Variables | Low hs-CRP (<2.2 mg/dL) |
High hs-CRP (≥2.2 mg/dL) |
P-value |
|---|---|---|---|
| Total | 3,366 (89.9) | 377 (10.1) | |
| Age (y) | 45.33±0.22 | 46.04±0.64 | 0.297 |
| Sex | |||
| Male | 1,507 (44.8) | 178 (47.2) | 0.366 |
| Female | 1,859 (55.2) | 199 (52.8) | |
| Smoking | |||
| Yes | 692 (20.6) | 88 (23.2) | 0.207 |
| No | 2,674 (79.4) | 289 (76.7) | |
| Alcohol consumption | |||
| Yes | 2,064 (61.3) | 229 (60.7) | 0.828 |
| No | 1,302 (38.7) | 148 (39.3) | |
| Household income | |||
| Lowest | 275 (8.2) | 43 (11.4) | 0.114 |
| Low-middle | 794 (23.6) | 86 (22.8) | |
| Middle-high | 1,049 (31.2) | 121 (32.1) | |
| High | 1,248 (37.0) | 127 (33.7) | |
| Education | |||
| ≤Elementary school | 241 (7.2) | 37 (9.8) | 0.023 |
| Middle school | 263 (7.8) | 33 (8.8) | |
| High school | 1,302 (38.7) | 118 (31.3) | |
| ≥College | 1,560 (46.3) | 189 (50.1) | |
| Aerobic exercise activity | |||
| Yes | 1,537 (45.7) | 171 (45.4) | 0.910 |
| No | 1,829 (54.3) | 206 (54.6) | |
| Sleep duration (h) | |||
| <7 | 1,308 (38.9) | 165 (43.8) | 0.064 |
| >7 | 2,058 (61.1) | 212 (56.2) | |
| Stress perception rate | |||
| Much more/much | 922 (27.4) | 124 (32.9) | 0.024 |
| Some/less | 2,444 (72.6) | 253 (67.1) | |
| SBP (mmHg) | 115.74±0.26 | 119.11±0.88 | <0.001 |
| DBP (mmHg) | 76.78±0.17 | 79.06±0.57 | <0.001 |
| BMI (kg/m2) | 23.79±0.06 | 25.85±0.22 | <0.001 |
| BMI | |||
| (<25 kg/m2) | 1,107 (32.9) | 200 (53.1) | <0.001 |
| (>25 kg/m2) | 2,259 (67.1) | 177 (46.9) | |
| FBG (mg/dL) | 99.25±0.37 | 103.89±1.32 | <0.001 |
| HDL-C (mg/dL) | 52.24±0.22 | 47.30±0.57 | <0.001 |
| TG (mg/dL) | 134.39±1.81 | 155.77±6.98 | <0.001 |
| WC (cm) | 81.23±0.17 | 86.78±0.55 | <0.001 |
Values are presented as number (%) or mean±standard error.
hs-CRP, high sensitivity C-reactive protein; SBP, systolic blood pressure; DBP, diastolic blood pressure; BMI, body mass index; FBG, fasting blood glucose; HDL-C, high density lipoprotein-cholesterol; TG, triglyceride; WC, waist circumference.
Analyzed by t-test (continuous variable) and by chi-square test (categorical variable).