Appendix Table 5. Forward Logistic Regression Model of Patient-Level Factors Associated with Low-Density Lipoprotein Cholesterol Noncontrol per the National Cholesterol Education Program Guideline*
CovariateParameter EstimateP ValueOdds Ratio (95% CI)Cumulative C-Index
Intercept−3.3493<.0001
Hyperlipidemia0.9236<.00012.52 (2.43–2.61)0.654
Diabetes mellitus0.8920<.00012.44 (2.33–2.56)0.682
Body mass index (kg/m2)
    <18.5 (underweight)0.0269.781.03 (0.85–1.25)0.710
    18.5–24.9 (normal)Reference
    25.0–29.9 (overweight)0.4519<.00011.57 (1.50–1.65)0.710
    30.0–34.9 (obesity, class I)0.6028<.00011.83 (1.73–1.92)0.710
    35.0–39.9 (obesity, class II)0.6231<.00011.86 (1.75–1.99)0.710
    ≥40.0 (obesity, class III)0.6632<.00011.94 (1.79–2.10)0.710
Age (years)
    18–40Reference
    41–600.5888<.00011.80 (1.72–1.89)0.719
    61–800.4737<.00011.61 (1.52–1.70)0.719
    >800.5006<.00011.65 (1.48–1.83)0.719
Cerebral vascular disease/CVA0.9993<.00012.72 (2.49–2.96)0.726
Male sex0.2206<.00011.25 (1.20–1.29)0.731
Visits/year (n)
    1–2Reference
    3–4−0.1678<.00010.85 (0.81–0.88)0.731
    5–6−0.1625<.00010.85 (0.80–0.90)0.731
    >6−0.2212<.00010.80 (0.76–0.84)0.731
Alcohol and drug abuse0.3537<.00011.42 (1.34–1.52)0.733
Anemia−0.3073<.00010.74 (0.68–0.79)0.733
Hypertension0.1848<.00011.20 (1.16–1.25)0.734
  • * Number of observations read: 136,771; number of observations used: 131,589.

  • CI, confidence interval; CVA, cerebrovascular accident.