. Author manuscript; available in PMC: 2015 Mar 4.

Published in final edited form as: Am J Hypertens. 2008 Jun 12;21(8):917–921. doi: 10.1038/ajh.2008.188

Table 1.

Characteristics of study cohort by race and gender

Variables^a	Male		Female		Comparison^b
	White (n = 200)	Black (n = 57)	White (n = 277)	Black (n = 120)	Race	Gender
	Age (years)	37.2 ± 4.2	37.3 ± 3.9	36.6 ± 4.2	35.7 ± 4.5	ns	0.02
BMI (kg/m²)	29.3 ± 5.6	30.7 ± 9.0	27.5 ± 6.4	32.3 ± 8.9	<0.0001^c	0.02^d
MAP (mm Hg)	93 ± 8	100 ± 13	87 ± 9	95 ± 13	<0.0001	<0.0001
TG /HDL cholesterol ratio	4.6 ± 4.7	3.2 ± 3.9	2.7 ± 1.9	2.0 ± 1.1	<0.0001	<0.0001
HOMA-IR	3.3 ± 3.3	3.5 ± 3.6	2.4 ± 2.4	3.8 ± 5.7	<0.0001^c	0.0003^d
Smoking (%)	48	50	44	42	ns	ns
Carotid IMT (mm)	0.83 ± 0.14	0.86 ± 0.14	0.76 ± 0.11	0.81 ± 0.13	0.0002	<0.0001

BMI, body mass index; HDL, high-density lipoprotein; HOMA-IR, homeostasis model assessment of insulin resistance; IMT, intima-media thickness; MAP, mean arterial pressure; ns, not significant; TG, triglycerides.

Mean ± s.d. for continuous variables.

P values were adjusted for age.

Females only.

Whites only.