Table 3.

Association between non-lipid risk factors and carotid plaque

	Without plaque n = 517	With plaque n = 254	p
Continuous variables, mean (SD)
Age, years	49.8 (11.3)	57.7 (11.3)	< 0.001
Systolic blood pressure, mm Hg	125.2 (13.8)	133.8 (15.9)	< 0.001
Body mass index, kg/m2	26.3 (4.5)	27.9 (4.4)	< 0.001
Categorical variables, %
Male sex	42.0	48.9	0.07
Anti-hypertensive medication	28.4	52.8	<0.001
Smoking	15.1	31.1	<0.001
Family history of early cardiovascular disease	23.8	32.0	0.016

SD: standard deviation.