Table 4

Adjusted prevalence of being at LDL goal for those on statins (N = 537), without (Model I) and with (Model II) adjustment for access/utilization.

Model I

Model II

Social Risk Factor

AME

95% CI

P

AME

95% CI

P

Age group

35-44

5.12

-17.93

28.17

0.66

4.26

-18.14

26.66

0.71

45-54

13.19

-4.48

30.85

0.14

11.59

-5.69

28.87

0.19

55-64

-5.49

-19.88

8.89

0.45

-4.63

-16.30

7.04

0.44

≥ 65 (reference)

Female

14.07

8.95

19.20

<0.01

13.93

8.39

19.46

<0.01

Race/Ethnicity

White (reference)

Black

-6.38

-23.19

10.43

0.46

-4.91

-18.10

8.28

0.47

Hispanic

-1.83

-19.18

15.52

0.84

-2.33

-19.42

14.77

0.79

Other

3.70

-27.17

34.58

0.81

1.63

-25.83

29.10

0.91

Federal Poverty Level (%)

<100 (reference)

100-149

13.80

-4.26

31.87

0.13

13.84

-1.42

29.10

0.08

149-199

19.23

-1.77

40.23

0.07

18.02

1.65

34.39

0.03

200-299

26.63

11.96

41.30

<0.01

26.22

11.86

40.58

<0.01

300-499

28.50

15.50

41.50

<0.01

27.47

14.63

40.30

<0.01

≥ 500

31.54

20.80

42.29

<0.01

31.68

21.99

41.37

<0.01

Education (years)

<12 (reference)

12

-7.56

-24.18

9.07

0.37

-6.32

-20.02

7.39

0.37

>12

-4.95

-20.10

10.19

0.52

-3.89

-17.12

9.34

0.56

Notes: AME = adjusted average marginal effect, adjusted% difference from reference group; CI = confidence interval. Age group 21-35 omitted due to empty cells. All analyses adjusted for survey year. Model II also adjusted for insurance, preferred language, usual source of care, and visit number. Source: NHANES 1999-2006.

Franks et al. BMC Health Services Research 2010 10:68   doi:10.1186/1472-6963-10-68