Appendix Table 4. Forward Logistic Regression Model of Patient-Level Factors with Blood Pressure Noncontrol per Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure Guideline*
CovariateParameter EstimateP ValueOdds Ratio (95% CI)Cumulative C-Index
Intercept−3.1521<.0001
Hypertension1.7286<.00015.63 (5.46–5.81)0.735
Diabetes mellitus1.5772<.00014.84 (4.64–5.06)0.764
Body mass index (kg/m2)
    <18.5 (underweight)−0.0544.450.95 (0.82–1.09)0.802
    18.5–24.9 (normal)Reference
    25.0–29.9 (overweight)0.4171<.00011.52 (1.46–1.58)0.802
    30.0–34.9 (obesity, class I)0.7208<.00012.06 (1.97–2.14)0.802
    35.0–39.9 (obesity, class II)0.9440<.00012.57 (2.44–2.71)0.802
    >40.0 (obesity, class III)1.1896<.00013.29 (3.09–3.50)0.802
Visits (n)
    1–2Reference
    3–4−0.2921<.00010.75 (0.72–0.77)0.806
    5–6−0.3149<.00010.73 (0.69–0.77)0.806
    >6−0.3348<.00010.72 (0.68–0.75)0.806
Age (years)
    18–40Reference
    41–60−0.3831<.00011.47 (1.42–1.52)0.812
    61–800.6374<.00011.89 (1.81–1.98)0.812
    >800.9475<.00012.58 (2.38–2.79)0.812
Male sex0.3835<.00011.47 (1.43–1.51)0.817
Hyperlipidemia−0.2812<.00010.75 (0.73–0.78)0.818
Kidney disease, chronic0.8324<.00012.30 (2.09–2.53)0.819
Ischemic heart disease−0.4755<.00010.62 (0.58–0.67)0.820
Prostatitis and benign prostatic hyperplasia−0.3367<.00010.71 (0.67–0.76)0.821
  • * Number of observations read: 227,123; number of observations used: 209,582.

  • CI, confidence interval.