Table 1.

Baseline characteristics of African American and White men and women with type 2 diabetes in the Louisiana State University Hospital-based Longitudinal Study

Characteristics	Men		P value	Women		P value
	African American	White		African American	White
No. of participants	5,633	5,447		9,313	7,311
Age, mean (SD), y	50.8 (10.4)	54.4 (10.5)	<0.001	51.6 (10.3)	54.0 (10.7)	<0.001
Income, mean (SD), $/family	13,839 (14,776)	14,882 (14,289)	<0.001	11,484 (9,733)	13,276 (11,946)	<0.001
Body mass index, mean (SD), kg/m2	31.6 (7.7)	33.3 (7.9)	<0.001	35.3 (8.7)	35.7 (9.1)	<0.001
Blood pressure, mean (SD), mm Hg
Systolic	144 (25)	140 (22)	<0.001	146 (25)	141 (23)	<0.001
Diastolic	84 (14)	80 (13)	<0.001	82 (14)	77 (13)	<0.001
Total cholesterol, mean (SD), mmol/L	4.7 (1.4)	4.7 (1.4)	0.002	4.9 (1.2)	5.1 (1.3)	<0.001
High-density lipoprotein cholesterol, mean (SD), mmol/L	1.1 (0.4)	1.0 (0.3)	<0.001	1.2 (0.4)	1.1 (0.3)	<0.001
Low-density lipoprotein cholesterol, mean (SD), mmol/L	2.8 (1.1)	2.7 (1.0)	<0.001	3.1 (1.0)	3.0 (1.0)	<0.001
Triglycerides, mean (SD), mmol/L	1.6 (1.0)	1.9 (1.1)	<0.001	1.4 (0.8)	2.0 (1.0)	<0.001
HbA1c, mean (SD), mmol/mol	67 (33)	57 (24)	<0.001	60 (27)	53 (22)	<0.001
HbA1c, mean (SD), %	8.3 (3.0)	7.4 (2.2)	<0.001	7.6 (2.5)	7.0 (2.0)	<0.001
Current smoker (%)	44.0	43.0	0.040	28.6	35.6	<0.001
Types of health insurance (%)			<0.001			<0.001
Free of charge	72.3	68.8		81.6	78.8
Self-pay	10.5	5.4		4.6	3.5
Medicare	5.7	3.8		5.9	4.4
Medicaid	9.3	17.4		6.2	10.3
Commercial	2.2	4.6		1.8	3.2
Medication use, %
Blood pressure	90.8	92.0	0.862	94.5	91.9	<0.001
Diabetes	82.8	82.2	0.318	79.2	79.7	0.038
Cholesterol	67.8	77.3	<0.001	70.5	78.7	<0.001

Analyses were based on subjects with the target information. Values are adjusted for age.