Table 3. The association between the HDL-C variables and carotid IMT stratified by diabetes mellitus status.

IMT change per 2 SDs	Beta, SE (n=988)	p-value	Interaction p-value
HDL2-C
Diabetics	-0.043, 0.014	0.003	0.07
Non-diabetics	-0.012, 0.006	0.04
HDL3-C
Diabetics	0.009, 0.014	0.52	1.00
Non-diabetics	0.002, 0.006	0.81
HDL-C
Diabetics	-0.029, 0.012	0.02	0.07
Non-diabetics	-0.008, 0.006	0.24

Linear regression model

Fully adjusted for race/ethnicity, age, sex, LDL-C, TGs, and cholesterol medication use, BMI, smoking, alcohol, physical activity, hypertension, and time from baseline to carotid ultrasound