Table 3.
Multivariate adjusted probability predicting lipid testing by PCP visit threshold (n=16,893)
| Characteristic | Raw Probability (%) | Adjusted* Predicted Probability (%) | 95% CI | Adjusted Risk Ratio | 95% CI |
|---|---|---|---|---|---|
| All Patients | 62.6 | 62.7 | |||
| <1 PCP visit each year | 50.2 | 56.6 | (55.2, 58.0) | 1.00 | (Reference) |
| ≥1 PCP visit each year | 68.02 | 65.4 | (64.5, 66.3) | 1.16 | (1.12, 1.19) |
| Age: 65–74 years | 69.1 | 65.5 | (64.5, 66.6) | 1.00 | (Reference) |
| 75–84 years | 59.8 | 61.5 | (60.4, 62.5) | 0.94 | (.92, .96) |
| 85+ years | 42.2 | 54.3 | (52.0, 56.6) | 0.83 | (.79, .87) |
| Female | 61.7 | 62.5 | (61.7, 63.4) | 0.99 | (.97, 1.01) |
| Race/ethnicity: White | 62.1 | 62.7 | (61.9, 63.5) | 1.00 | (Reference) |
| Black | 61.2 | 61.4 | (59.1, 63.8) | 0.98 | (.94, 1.02) |
| Other | 70.3 | 64.3 | (61.5, 67.2) | 1.03 | (.98, 1.07) |
| Medicaid (ever) | 61.5 | 62.5 | (60.8, 64.1) | 1.00 | (.97, 1.03) |
| Hospitalization (ever) | 58.1 | 59.5 | (58.6, 60.4) | 0.87 | (.85, .89) |
| Orthopedic surgery (ever) | 64.7 | 63.8 | (62.4, 65.2) | 1.02 | (1.00, 1.05) |
| Gait-assistance device (ever) | 57.3 | 60.4 | (59.1, 61.6) | 0.95 | (.92, .97) |
| Baseline CVD | 62 | 62.7 | (61.9, 63.5) | 1.01 | (.96, 1.05) |
| Baseline diabetes | 68.9 | 66.6 | (65.5, 67.7) | 1.12 | (1.09, 1.14) |
| Baseline Hyperlipidemia | 76.1 | 74.1 | (73.3, 75.0) | 1.73 | (1.67, 1.78) |
| HCC: Lowest quartile | 67.3 | 67.9 | (66.5, 69.3) | 1.00 | (Reference) |
| Second quartile | 63.5 | 62.3 | (61.0, 63.7) | 0.92 | (.89, .95) |
| Third quartile | 63.5 | 62.5 | (61.1, 63.9) | 0.92 | (.89, .95) |
| Highest quartile | 56.2 | 58.2 | (56.7, 59.6) | 0.86 | (.83, .89) |
PCP=Primary Care Provider; CVD=Cardiovascular Disease; HCC=Hierarchical Condition Categories scale
*
Logistic model included: Rural/urban residence, and average numbers of providers and annual visits, in addition to all items listed above.