Table 1 Demographic and clinical characteristics of population by race and ethnicity

Men (%)

27.3

24.3

35.4

0.05

Aged <65 years (%)

54.6

65.1

66.7

0.009

Annual household income^†:

<0.001

= $35,500

11.9

37.8

29.4

   $35,501–$43,140

11.9

40.8

21.0

   $43,141–$55,365

24.7

15.5

42.7

   > $55,365

51.6

5.9

7.0

Insurance:

<0.001

   Private/Medicare (%)

87.7

69.1

40.3

   Medicaid (%)

4.3

17.6

28.5

   Free care/Self-pay (%)

8.0

13.4

31.3

Mean number of hypertension visits

2.8

3.0

2.8

0.06

Diabetic (%)

14.5

27.5

27.8

<0.001

Coronary artery disease (%)

5.3

4.2

2.1

0.02

Provider experience (%)^‡:

<0.001

   Intern

2.1

9.3

10.1

   Resident

4.8

23.0

10.1

   Attending

93.2

67.8

79.8