Table 1. Basic characteristics of participants in this study.

	All
No. of subjects	1190
Male, %	56.5
Age, y	34.4 (3.6)
Systolic blood pressure, mm Hg	114.5 (15.7)
Diastolic blood pressure, mm Hg	72.8 (12.3)
Hypertension, %	12.2
Body mass index, kg/m2	24.7 (4.2)
L_CIMT, mm	0.542 (0.069)
R_CIMT, mm	0.531 (0.067)
Atherosclerosis diagnosed by L_CIMT, %	22.2
Atherosclerosis diagnosed by R_CIMT, %	19.0
Carotid plaque group, %	3.1
Complement C3, mg/dL	136.6 (31.9)
High sensitivity C-reactive protein, mg/dL	1.3 (0.6–2.4)
Total cholesterol, mmol/L	4.7 (1.0)
Triglycerides, mmol/L	1.2 (0.8–1.9)
High-density lipoprotein cholesterol, mmol/L	1.3 (0.3)
Low-density lipoprotein cholesterol, mmol/L	2.8 (0.7)
HbA1C, %	5.9 (0.8)
Smokers, %	35.5

L_CIMT indicates IMT in far wall of left common carotid arteries; R_CIMT, IMT in far wall of right common carotid arteries.

Values are means (SDs), geometric means (quartile deviations), or percentages of subjects, as appropriate.