Table 2 Demographics and unhealthy days by CV health score category, NHANES 2001–2010

Age (years), weighted mean (SE)

48.8 (0.36)

42.6 (0.37)

37.0 (0.58)

<0.001

Male, weighted %

55.7

51.5

58.9

<0.001

Race, weighted %

0.002

 Non-Hispanic white

34.8

47.6

17.6

 Non-Hispanic black

40.7

45.5

13.8

 Mexican American

38.4

47.8

13.8

 Other

29.7

49.3

20.9

Poverty Income Ratio, weighted mean (SE)

2.9 (0.05)

3.2 (0.04)

3.4 (0.07)

<0.001

Disability score, weighted mean (SE)

 Activities of daily living

0.15 (0.01)

0.07 (0.01)

0.03 (0.01)

<0.001

 Instrumental activities of daily living

0.18 (0.01)

0.09 (0.01)

0.04 (0.01)

<0.001

 Lower extremity mobility

0.66 (0.03)

0.28 (0.02)

0.10 (0.01)

<0.001

 Social activities

0.19 (0.01)

0.09 (0.01)

0.04 (0.01)

<0.001

Would you say in general your health is…, weighted %

<0.001

 Excellent

5.6

12.9

24.6

 Very good

27.9

40.1

44.4

 Good

45.7

36.7

26.2

 Fair

18.6

9.1

4.7

 Poor

2.3

1.2

0.1

Unhealthy days during past month, weighted mean (SD)

7.4 (0.23)

5.8 (0.19)

4.5 (0.26)

<0.001

For how many days during the past 30 days was your physical health not good?, weighted mean (SD)

4.2 (0.19)

2.7 (0.14)

2.0 (0.18)

<0.001

For how many days during the past 30 days was your mental health not good?, weighted mean (SE)

4.3 (0.17)

3.5 (0.15)

2.7 (0.20)

<0.001

For how many days did poor physical or mental health keep you from doing usual activities?, weighted mean (SE)

1.9 (0.14)

1.2 (0.11)

0.9 (0.09)

<0.001