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. Author manuscript; available in PMC: 2015 Aug 21.
Published in final edited form as: J Am Board Fam Med. 2013 Nov-Dec;26(6):658–668. doi: 10.3122/jabfm.2013.06.130017

Appendix Table 5.

Forward Logistic Regression Model of Patient-Level Factors Associated with LDL-Cholesterol Non-Control per the NCEP Guideline.

Covariate Parameter Estimate p-value Odds Ratio (95% CI) Cumulative C- Index
Intercept −3.3493 <.0001
Hyperlipidemia 0.9236 <.0001 2.52 (2.43 – 2.61) 0.654
Diabetes mellitus 0.8920 <.0001 2.44 (2.33 – 2.56) 0.682
Body mass index (BMI)
 <18.5 (underweight) 0.0269 0.78 1.03 (0.85 – 1.25) 0.710
 18.5 – 24.9 (normal) Reference
 25.0 – 29.9 (overweight) 0.4519 <.0001 1.57 (1.50 – 1.65) 0.710
 30.0 – 34.9 (obesity, class I) 0.6028 <.0001 1.83 (1.73 – 1.92) 0.710
 35.0 – 39.9 (obesity, class II) 0.6231 <.0001 1.86 (1.75 – 1.99) 0.710
 ≥40.0 (obesity, class III) 0.6632 <.0001 1.94 (1.79 – 2.10) 0.710
Age
 18 – 40 Reference
 41 – 60 0.5888 <.0001 1.80 (1.72 – 1.89) 0.719
 61 – 80 0.4737 <.0001 1.61 (1.52 – 1.70) 0.719
 >80 0.5006 <.0001 1.65 (1.48 – 1.83) 0.719
Cerebral vascular disease/CVA 0.9993 <.0001 2.72 (2.49 – 2.96) 0.726
Male 0.2206 <.0001 1.25 (1.20 – 1.29) 0.731
Number of visits/year
 1 – 2 Reference
 3 – 4 −0.1678 <.0001 0.85 (0.81 – 0.88) 0.731
 5 – 6 −0.1625 <.0001 0.85 (0.80 – 0.90) 0.731
 >6 −0.2212 <.0001 0.80 (0.76 – 0.84) 0.731
Alcohol & drug abuse 0.3537 <.0001 1.42 (1.34 – 1.52) 0.733
Anemia −0.3073 <.0001 0.74 (0.68 – 0.79) 0.733
Hypertension 0.1848 <.0001 1.20 (1.16 – 1.25) 0.734

Number of observations read: 136,771

Number of observations used: 131,589