Table 1 Baseline characteristics of study population.

From: Uncontrolled hypertension increases risk of all-cause and cardiovascular disease mortality in US adults: the NHANES III Linked Mortality Study

 

Overall

Hypertension status

p value

Normal

Treated & controlled

Treated & uncontrolled

Untreated

N (%)

13,947 (100)

10,300 (73.9)

743 (5.3)

989 (7.1)

1,915 (13.7)

 

Age group, %

     

<0.001

  18–39 yrs

52.2

61.5

11.9

5.5

20.6

 

  40–59 yrs

31.4

29.7

46.3

34.1

36.0

 

  ≥60 yrs

16.5

8.8

41.9

60.4

43.5

 

Women, %

50.8

50.7

63.9

58.8

42.6

<0.001

Race/ethnicity, %

     

<0.001

  Non-Hispanic white

75.2

74.9

78.7

75.8

75.4

 

  Non-Hispanic black

11.0

10.2

13.8

16.6

13.4

 

  Mexican-American

5.5

6.0

2.3

3.2

4.5

 

  Other

8.3

8.9

5.1

4.5

6.6

 

Education level, %

     

<0.001

  <12 yrs

23.6

21.4

30.7

39.2

30.3

 

  12–15 yrs

55.7

56.6

55.0

45.9

53.5

 

  ≥16 yrs

20.7

22.0

14.2

14.9

16.3

 

BMI, kg/m2, (mean ± SE)

26.3 ± 0.1

25.7 ± 0.1

29.8 ± 0.5

30.0 ± 0.3

28.4 ± 0.2

<0.001

SBP, mmHg, (mean ± SE)

120.8 ± 0.4

115.0 ± 0.2

125.1 ± 0.6

153.7 ± 0.7

147.7 ± 0.5

 <0.001

DBP, mmHg, (mean ± SE)

74.0 ± 0.2

71.8 ± 0.2

76.2 ± 0.4

83.0 ± 0.6

85.7 ± 0.4

<0.001

Smoking status, %

     

<0.001

  Never

44.8

45.4

41.5

46.1

41.8

 

  Former

24.1

21.7

37.7

36.7

30.8

 

  Current

31.0

32.9

20.9

17.1

27.3

 

Alcohol intake, %

     

<0.001

  Never

56.0

54.1

68.4

72.1

57.0

 

  1–2 drinks/wk

20.6

22.0

16.3

9.8

17.1

 

  ≥3 drinks/wk

23.4

23.9

15.3

18.1

25.9

 

TC, mg/dl, (mean ± SE)

200.7 ± 0.7

195.0 ± 0.8

223.6 ± 1.9

227.5 ± 1.7

222.1 ± 1.4

<0.001

Lipid lowering medications use,%

2.1

1.1

11.7

9.0

2.4

<0.001

Diagnosed diabetes, %

4.2

2.8

13.6

13.6

6.1

<0.001

  1. BMI means body mass index; DBP, diastolic blood pressure; SBP means systolic blood pressure; TC means total cholesterol.